Gland Size Calculator. Compare x-ring material compounds and easily order online from the world's largest x-ring inventory network. O’ring. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. Packing Division Europe 3 Contents Contents Page 1. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. This groove is difficult and expensive to machine, and the tolerances are especially critical. Make it half a hexagon, with the inside edge being vertical, and the top/bottom edges of the inside the 45°angle chamfers. Please use the following guidelines when cutting an iron piston ring groove. We provide O-rings for practically any application and offer several design resources to help you design a custom AS568 O-ring seal that meets your exact requirements. The dynamic format is structured to support movement while still. This interactive tool will walk you through calculating values for diameters, compression, tolerance and more for your custom seal application. This recommended practice provides the design criteria for static elastomeric O-ring seal applications, axial compression (face type) groove dimensions. , seal squeeze anGlobal O-Ring and Seal is a major stocking distributor of o-rings, oil seals, o-ring cord stock, kits, accessories, and other sealing products. 5X1. Putting the angled face to the outside renders it useless for retaining the o-ring because the o-rings is pulled towards the. Technical O-ring Handbook . This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Polyurethane O-Rings. BS 4518:1982 Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings. USA Square Ring Size Chart; Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. 1; 2; 3;O-Ring Groove Design. com. Our groove design chart is a useful aid for selecting the right metric O-ring groove dimensions for your design. O'ring groove dimensions for static and dynamic mode. free. Technical Handbook O-rings Quad-Rings®/X-Rings Gland Design Static/Dynamic (METRIC) The following table shows the groove dimensions for Quad-Rings®/ X-Rings. 1-23) 2. To accommodate the additional back-up rings, the O-ring groove width L needs to be increased to L1 for one back-up ring or L2 for two back-up rings . com. Welcome to our Size Charts Section, where you can download both imperial and metric O-Ring Size information. Business-to-business sales only. Joined O’rings; O’ring Elastomer Guide; O’ring Groove Design; O’ring Sizing; Male D Ringing; BSM O’Rings & Milk O’Rings; O’ring Connecting. Learn More > Contact. O-RING GROOVE DESIGN. Break sharp edges of gland to a minimum radius 0. ISO 3601-2. EMI-Shielded O-Rings and Seals. Dimensional tolerances for all metric o-rings offered by Global O-Ring and Seal are in accordance with ISO 3601-1B. Dovetail grooves are used to hold the O-ring in-place on a face seal groove during during assembly and maintenance of equipment. PART NUMBER SKU: Please choose a configuration from the list below in order to check availability and pricing: If you require options not listed online yet, please. Design Chart 5-2-b: Design Chart for Industrial Dynamic Metric Cross-Sections. O-Ring Cross Section. Insufficient radius will potentially cause damage to the o-ring during installation, while excessive radius may contribute to. H P PRESSURE (P) FROM INSIDE 1 = ‘O’ Ring I. A. A2, the tube is flanged to 90° (or the tube mayThe Japanese valves I've worked on are almost exclusively o-ring only, similar to an o-ring boss fitting, just metric. Popular Sealing Material Families. O-rings are manufactured according to metric and imperial international standards such as AS-568B, DIN ISO 3601 and JIS. dovetail groove 46 Dynamic seal – hydraulic 49 Sizing charts 50 2-xxx sizes. G = (Do-Di)/2. Please see our O’ring Size page for a comprehensive list of BS1806/AS568A, SAE and JIS metric sizes. What's New. Non-standard sizes and sections can be manufactured to order with a capabiliity to mould join. The metric sizes are further broken down by region, notably Europe and Japan. O-Ring Groove Design; O-Ring Weight Calculator; Vulcanized O-Ring Calculator; Causes for O-Ring Failure; Downloads; Other Resources . The only drawback to a high durometer is the decreased squeeze of the o-ring. Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. Kalrez® O-Rings FFKM. Straight. Suggested Groove Design for Quattro Seals™. These are the sizes that are most readily available. Sizes and How to Order. When you know the exact o-ring you need, you can easily input this information to order online. The chart below lists all of these sizes with their corresponding dimensions in inches and millimeters for easy identification. CPD# or Material Description (Durometer, Color & Other Attributes) *. Describes the groove. Refer to our o-ring sizing charts for the most commonly used sizes around the world like; USA AS568 o-ring standard sizing chart, common metric o-ring sizing chart, Japanese JIS o-ring sizing chart, British BS o-ring sizing chart, quad-ring ® seals x-ring sizing charts,. Standard AS-568 size Rubber Square Rings can sometimes be used interchangeably in AS-568 standard size O-Ring gland designs. com Online: applerubber. E. We stock all major compounds including Buna (Nitrile), Viton (FKM), EPDM, Silicone, Teflon, Aflas, etc. O’ring Groove Design. Seal & Design is a leading manufacturer and distributor of die cut gaskets, seals, o-rings, and molded rubber products. According to BS4518 the O-Ring reference number =. These o-ring sizes are unique to Japan’s automotive, semiconductor, and manufacturing industries. 1-24). Tight-tolerance wear rings allow for a more precise fit of components, resulting in less dimensional “play. Kalrez® O-Rings FFKM. If the o-ring, quad-ring, x-ring or square-ring you need doesn't fit these standards, custom. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. D. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. Custom o-rings are available upon request and can typically be produced within a few. Standard was developed for use in the United States, while the international community uses metric sizes. Japanese Metric O-Rings (JIS) and Sizes. Custom sizes of almost any dimension are possible, such as miniature O-rings, special O-rings with large dimensions and continuously molded and spliced cord. From o-ring kits to o-ring lubricants and sizing tools, here you'll find everything you need to install, maintain, and remove your o-rings. 3 0. 8. L = Groove Depth + Clearance. This metric o-ring groove design reference guide will help you find the right radius, back-up,. O-Ring Gland Design Considerations; Static O-Ring Groove Design Face Seal; Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring Groove Design Rod-Piston; Static O. Standard O-RingsThis metric o-ring groove design reference guide will help you find the right radius, back-up, pressure and other o-ring dimensions for basic applications. This groove design is rela-tively uncommon as it is expensive to machine and should not be used unless absolutely. Less. . [Small ID Encapsulated O-Ring Ovality] Available Cross Sections for Encapsulated O-Rings & Groove Design Data : CROSS SECTIONS (A) (D) (W) FEP / PFA: Inch: MM :. O-ring groove design is a key consideration in the o-ring selection process. O-ring sire. O-Ring Groove design plays an important part in how an o-ring seals. to O-ring groove, bolt holes and bolt pattern dimensions of either Code 61 or Code 62 of SAE J518 and ISO 6162-1 or ISO 6162-2. EPDM O-Rings. The metric sizes are further broken down by region, notably Europe and Japan. Seal Design Guide. Female or Tube - the O-ring groove is located in the housing or cylinder and a tube is installed through the O-ring l. Learn more about O-Ring sizes with the links below. Gland design guideline The data in this website are found to be useful to us. Spring - Elgiloy, Hastelloy, Stainless Steel Spring Style - V, Helical, Slanted Coil Other materials available. It is the most common and most widely known type of seal in use today. Learn more about static o-ring groove design for rod, cylinder, and piston o-rings from Marco Rubber, the industry leader in standard and custom o-rings. 001 in. g. 4 O-Ring Glands for Rotary Seals Design Chart 5-4 provides the basis for calculating gland dimensions. This keeps the O-ring in the groove during assembly. 1-23) 2. 4. In static applications the recommended squeeze is usually between 15-30%. Housing groove width. Quattro Seal grooves are also narrower due to their ability to resist “spiral failure. Metric O’ring Kits; O’ring Unterteilung Kits; Back-up Band Kit; Quad-a Ring Kit;. O-Ring Groove Design; O-Ring Weight Calculator; Vulcanized O-Ring Calculator; Causes for O-Ring Failure;. Technical Handbook O-rings Standard O-ring Sizes (000 Series 004 to 050 cross section Diameters w = . of O-ring O (see Table 4-1) O. O-ring Groove Design in 3 easy steps: Step 1. USA AS568 O-Rings, 2- Parker O-Rings, Japanese JIS O-Rings, Metric O-Rings, BS British BS1806 O-Rings. Sulfur-Cured; O-Ring Shelf Life; O-Ring Groove Design; O-Ring Weight Calculator. For complete list of o-ring seal sizes, please use the O-Ring Size Search Tool online at applerubber. Ph: 859-269-2351. The Global O-Ring and Seal Size Reference Chart covers the AS568 O-Ring Sizes published by the Society of Automotive Engineers (S. 42 - Quick Change Grooving. Chemraz® O. But encapsulated PTFE has significant surface wear and showcases abrasion and wear resistance. Phone: (716) 684-6560 Fax: (716) 684-8302 E-mail: info@applerubber. ERIKS standard O-Rings. 79. Polyurethane O-Rings. O-Ring Durometer. THE O-RING EXAMPLE Throughout this guide, the o-ring is used as an example in our discussion of seal design principles. We supply and manufacture o-rings in sizes up to 2 100mm in the following compounds: Butadiene Rubber (BR)A standard o-ring design comes in a static or dynamic format, as with many things. Peter Twissell Well-Known Member HMEM Supporting Member. Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. 075: Over 10 to 18The O-ring's O. O-Rings, Rubber Seals and Custom. In most new designs, the o. D. After Hourly ServiceTimelord (Mechanical) 15 Dec 08 16:29. PRODUCT CLASS: X-RING KIT USA COMMON SIZES. To create a retaining-ring groove, click the Retaining Ring Grooves tab. Use the metric o-ring size chart to find common metric o-ring sizes by cross section, inside diameter, and outside diameter. I. O-Rings Design Guidelines, Specifications, Materials An O-ring , also known as a packing , is a flexible gasket in the shape of a loop; it is a elastomer with a round cross-section designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. Established in 1989 by Dean T. 0025", while tight-tolerance wear rings are held to ±. oesmailbox@parker. METRIC. High-durometer o-rings are better suited for higher pressures and are more resistant to extrusion. Recommendations are based on available technical information, and are offered as suggestions only, any reliance placed on such information by the user is strictly at the user’s risk. O-Ring Size Chart: 169-202: 16. Metric O-Ring Size Cross Reference Table. To use this document, first identify if you have an internal or external pressure gland requirement. G = Groove Width. For those who are unfamiliar with O-ring design, it is recommended to first study this introductory section, becoming familiar with the basic principles of O-ring sealing, their common uses and general limitations. The conditions to formulate the design criteria are also described, e. It is sometimes necessary to mount an O-ring in a face type groove in such a way that it cannot fall out. com - The Online O-Ring Connection. and Inside Diameter cross section. Size. Male or Plug Seal design is based on the following factors (refer to fig. D. L = Gland Depth. O. 5"ID to 26" inside diameter on the other side. • For ®the Quad-Rings/X-Rings not listed, the groove dimensions are Popular Sealing Material Families. Metric O’ring Kits; O’ring Section Kits; Back-up Band Kit; Quad Rings Kit; Bonds Washer Constructive;Suggestions on printing an o-ring groove. DESCRIPTION: 36 USA X-RING SIZES 226 TOTAL X-RINGS. 5-32 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509. I. Appendices 187. com. >>>>> Last edited: Apr 8, 2020. O-Ring Gland Design Considerations; Static O-Ring Groove Design Face Seal; Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring Groove Design Rod-Piston; Static O. Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. . Aerospace Group. Polyurethane O-Rings. Square-Rings and Rubber Washers can be used in basic cost sensitive applications. Chemraz® O-Rings FFKM. Flat Round Non-Metallic Washers; Insulator Gaskets; Custom Gaskets;. I. Markez® O-Rings FFKM. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. Please note that no tolerances or materials are taken into consideration in this cross-reference chart. O-Rings are specified by I. Sealing Elements Technical Handbook O-rings 1 All the information in this documentation has been compiled with the greatest of care. Example: Based on your groove dimension in a static application, you are looking for an O-ring with 308 mm inner diameter and 5 mm cord thickness. , Japanese JIS, British BS, or Common Metric sizing for o-rings, these o-ring size charts will help you locate the right o-ring size. Static O-Ring Sealing Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 Parker O-Ring Handbook 66° Mean Groove Diameter Coincides With Mean O-ring Diameter. allorings. 002 for sizes 2-006 through 2-324 + . Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. As shown in Fig. Sizes and How to Order. standard P. For more information on o-ring groove design, click here. O-Ring Size Charts USA Parker 2- AS568A, JIS Japanese, Common Metric, BS British : Groove Design Assistance Groove Design Charts and Considerations : Material Comparison Guide Elastomer Materials vs. Parbaks are not available in standard for metric sizes. O-RING MATERIAL IDENTIFICATION DEVICE: DESCRIPTION: The ORID will help distinguish between Viton®, Kalrez®, Nitrile and EPDM o-ring materials of 100, 200, 300 and 400 series O-rings 60 to 80 Durometer. Calculate the Quad-Ring® Brand groove dimensions. In general, X-Rings grooves are deeper, as less squeeze is required to affect a positive seal. , seal squeeze and. 24 - Full Radius Grooving Tools. (Consider a Sizing Cone for small O-Rings under 2. Tolerance. 015 in. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. Over the last 50 years, Apple Rubber has pushed the boundaries of rubber seal design. D. smaller than 250 mm. 27 - O-Ring Groove Tools. The three main types of standard groove designs are Industrial Static also called Radial, Industrial Reciprocating also called Dynamic, and Face Seals also called Axial or Flange. This recommended practice provides the design criteria for static elastomeric O-ring seal applications, radial squeeze groove dimensions for aerospace metric O-ring seal sizes as specified in MA2010. 2. 20 - Metric Grooving Tools. View our o-ring groove design guidelines here. DIN 3771 Metric O-Rings. O-Ring Seals Groove Diameter (Rod Gland) Tolerance - . When looking at standard dimension for a female gland, a #142 O-ring has a rod OD of 2. Custom o-rings are available upon request and can typically be produced within a few. O-Ring Handbook Parker Hannifin O-Ring Division Europe. The types of sealing styles shown in DIN-3852-1 / ISO 9974 are below: 1) Type E - For fixed stud ends only. Global O-Ring and Seal, LLC is a master distributor of O-Rings, Backup Rings, X-Rings, Cord Stock, and related seals, servicing industrial distributors worldwide. Learn More > Contact. O-Ring Standard Size Charts . Male or Plug Seal design is based on the following factors (refer to fig. Radius “R” is critical. H9 h11 f8 H11 mm – – R CS ID L d1 D R L d D1 Outside groove Inside groove 300The dovetail groove construction is only recommended for O-rings with cross sections of . For vacuum and gases X=16 micro inches. We carry a full range of AS568 standard sizes, as well as. When compressed between mating surfaces, an O-Ring blocks the passage of liquids or gases. In the Grooves dialog box: To create an O-ring groove, click the O-Ring Grooves tab. This metric o-ring groove design reference guide will help you find the right radius, back-up, pressure and other o-ring dimensions for basic applications. Fluorosilicone O-Rings FVMQ. Download it for free and enhance your knowledge of sealing technology. For a face seal: a compression ratio of 20-30%. Part Number Name Description; ORM0030-00249 FPM-75: METRIC O-RING . By simply entering installation specifications for an application, it recommends O-Ring sizes, housing layout and corresponding part. Groove Design. Kalrez® O-Rings FFKM. FKM; EPDM: Peroxide-Cured vs. Custom & Standard ISO 3601 Metric O-Rings. . Worldwide O-Ring inventory network available online, manufacturer direct pricing with same day shipping. The seal effect is created during installation by axial or radial compression of the cross-section. AS568 O-Ring - Groove Design. 2349. For the non-3d printing information on O-rings, check out Machinery's handbook. Reset calculator. Dynamic applications: stretch a piston seal by up to 5% and compress a rod seal by up to 3%. The only time youTechnical Handbook O-rings 12 C. The groove must be designed to accommodate not just the o’ring size, but also its intended usage; be it dynamic or static operation, radial or axial loading, vacuum or high pressure. It provides axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. O-Ring Gland Design Considerations; Static O-Ring Groove Design Face Seal; Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring Groove Design Rod-Piston; Static O-Ring Groove Design. Gland Depth x Groove Width (area of the gland) must be larger than the cross section area of the o-ring. L = Groove Depth + Clearance. Custom O-Ring Sizes Typically Without Tooling or Set Up Fees with Rush Delivery optionsO-ring. dash number appears to the right of the inside diameter (ID), and below the nominal cross section (CS). 1-23) 2. In addition to standard imperial and metric sizes, Eastern Seals also supplies a wide variety of non-standard sizes. Ones you find the exact metric o-ring thee need, you can easily. Using the table above, determine the maximum recommended gland depth for your application. 005 inches. We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. NF T 47-501 Metric O-Rings. We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. The ERIKS O-ring manual is a guide which assists you in the selection of the best O-ring out of the correct rubber compound in the right application. oesmailbox@parker. ISO 6149 specifies O-Rings designed for use in Metric Tube Fittings. O-Ring Selection; Bitte definieren Sie die Anwendungsparameter und wählen Sie ein Dichtungsmaterial aus. O-ring groove design is critical to the performance of the O-ring seal. Initial Quantity *. Otherwise many bad things will happen to your design. Example: N0674-70 2-325. and seal in a female Metric parallel port conforming to ISO-9974-1 (DIN-3852, Part 1). The groove width dimensions are listed in. 6. Select the type of O-ring groove - piston, rod, face seal or trapped seal. The parameter dashboard in the Results section will immediately show you if the selected O-ring size is suitable for your. R R1 Finishes are RMS values O-Ring Dovetail Grooves Radius “R” is CRITICAL. MS 28783 back-up rings match the dash numbers an AN 6230 O-rings. • Where differing amounts of compression effect the seal function (as with flat gaskets), an O-ring is not effected because metal to metal contact is generally allowed for. Metric O-Rings. BS 1806 Metric Sizes. Bitte beachten Sie, dass einige Ihrer ausgewählten. The squeeze or rate of compression is a major consideration in O-ring seal design and differs per O-ring application design. Kalrez® O-Rings FFKM. All surfaces and corners must be free of tool marks and scratches. Since new designs should also try to incorporate these sizes, we offer groove design tools for static and dynamic applications. 1 OR O-rings in static radial sealing, metric sizes ID 2,9 – 17,3 mm Dimensions Dash-number Designation Outside groove Inside groove ID CS L R D d 1 d D 1 +0,2 max. O-Ring Gland Design Information: 131-161: 14. In addition to standard metric o-ring sizes, thousands of non-standard metric o-rings sizes are available in stock or can be custom-made within a few weeks, usually without additional tooling fees. O’ring Furrow Design; O’ring Sizing; Cat D Rings; BSM O’Rings & Milk O’Rings; O’ring Cord;3. Popular Sealing Material Families. 7 size chart. AS568 Standard O-Ring. 30 2. 7mm, 8. 8 μm Ra) • Gland Dimensions Static Application-Face Seal. Select a size to buy standard and custom o-rings from the world's largest inventory network or custom orders can be made within a few weeks, typically without tooling fees. = B Min. Explore some of the most common sealing materials we offer here. 31. 20 - Standard Grooving Tools. 0mm, 3. These are ideal for applications with a temperature range of -100 and 500 degrees Fahrenheit. Use the metric o-ring size chart to find common metric o-ring sizes by cross section, inside diameter, and outside diameter. Once installed, the exposed portion acts as a shoulder which. Popular O-Ring Material Comparison Guide; FFKM Kalrez® O-Rings Material; FFKM Markez® O-Rings Material;Outside diameter (O. BS 4518 Metric O-Rings. Choose between more than 30 groove materials and 11 O-ring compounds! Benefit from a modern user friendly design and be guided from design rec-ommendations from info boxes. Standard AS568B Metric Dovetail EXTRUSION LIMITS & O-RING CLEARANCE GAPS An o-ring is contained in a gland and forced to flow into the surface imperfections of the. O-ring sire. Chemraz® O-Rings FFKM. com. Static O-Ring Sealing Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 Parker O-Ring Handbook 66° Mean Groove Diameter Coincides With Mean O-ring Diameter. Chemraz® O-Rings FFKM. O-ring design guides include o-ring sizing charts, o-ring groove design references, o-ring chemical compatibility guides, o-ring tolerances and failure analysis guides, and o-ring material selection. O-Ring Basics . The groove design allows the O-ring to be retained in the face seal during assembly and maintenance. Fax: 859-335-5128. Sealing Australia stocks a wide range of o’rings from 40 Duro to 90 Duro. Designing the parts of an application where o-rings will be applied is broadly termed “o-ring groove design”. We Willingly Open in 8 am CST on Monday. Polyurethane O-Rings. Groove filling ratio % %. For axial, radial and flange applications. For more information or to request a quote on backup rings, please give us a call at 832-448-5550 or submit the Product Inquiry Form. GROOVE DEPTH: Grooves must be at least 0. Experimental analysis and experience have shown that elastomer o-rings must always be smaller than the grooves they fit in. Browse our metric o-ring size chart to view common metric o-ring sizes and order o-rings from the world’s largest inventory network. As a global innovator for industries ranging from aerospace to medical and everything in between, we're solving the world's toughest sealing challenges, one o-ring at a time. The O-ring groove calculator enables engineers to specify an O-ring groove for any given O-ring or vice versa calculates the best suitable size O-ring for any given groove. USA Square Ring Size Chart; Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. Loaded U-Cups, Non loaded U-Cups, Hydraulic or Pneumatic U-Cups We make getting U-Cups easy! MUU Symmetrical. Using the table above, determine the maximum recommended gland depth for your application. 383. Silicone Parts and Seals. These Back-up Rings are produced in either a contoured design, Split (MS28774) or Solid (MS27595) configuration and a wide range of materials are used to fit your application. Metric O’ring Rigs; O’ring Section Packages; Back-up Ring Kit; Quad Ring Kit; Bonded Washer Outfit;. D. 1-24). Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. chemical volume swell (%) cross section diameter (mm) ISO 3601. Standard AS-568B; Japanese Metric O-Rings (JIS) To help you maximize o-ring performance, this dovetail o-ring groove design guide provides default recommendations to find the perfect o-ring dimensions. O-Ring Metric Groove Design [PDF] See full list on globaloring. Once you locate the. Standard Size Charts for Quad-Ring® Seals and X-Ring Seals. Choose between more than 30 groove materials and 11 O-ring compounds! Benefit from a modern user friendly design and be guided from design rec-ommendations from info boxes. 091 0. This recommended practice provides the design criteria for static elastomeric O-ring seal applications, axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010.