An O-ring is a solid-rubber seal shaped like a doughnut or torus. When compressed between mating surfaces, an O-ring blocks the passage of liquids or gases. Parco O-rings are available in a wide range of standard and non-standard sizes that are suitable for nearly all sealing applications.

Click on the materials chart below to find detailed specifications information for each of our popular rubber materials. The information can also be downloaded in PDF. Use this information for your rubber part or O-ring seal in order to find the exact material for your application. Nitrile 70. Nitrile 90. Viton 75. EPDM 70. Silicone 70.

Rubber AS568 O-Ring Seals. Whatever your o-ring requirements, Ace Seal has got you covered. Check out our popular line of AS568 o-rings below. To get started on customized O-rings, use the filters below to find the AS568 o-ring option you need, defined by inside diameter (ID) and the cross section (CS). Then, click on the link to specify the

O-rings you can get in various metric and inch standard sizes. Sizes are specified by a inside diameter and a cross section diameter (thickness). In the USA is the most common standard per SAE AS568B specification (inch sizes ) AS568-214. Wordwide ISO 3601-1: is the most common used standard size in inch and metric.

O-ring Size Chart · Nitrile NBR 70 and 90 Shore A, · Fluoroelastomer FKM (Viton®) 75 and 90 Shore A, · Perfluoroelastomer FFKM · (Kalrez®) 75 Shore A. · Ethylene- 

826PC O-RING SET: This large rubber O-ring set by Orion Motor Tech includes 407 SAE O-rings and 419 metric O-rings in the 32 most needed sizes; SAE O-rings range from -006 to -226 and metric O-rings cover inner diameters from 3 to 50mm and outer diameters from 6 to 57mm ; BUILT TO LAST: Each piece of our huge O-ring kit is constructed from top

Any O-Ring Size USA AS568 O-Rings, 2- Parker O-Rings, Japanese JIS O-Rings, Metric O-Rings, BS British BS1806 O-Rings. Custom O-Ring Sizes Typically Without Tooling or Set Up Fees with Rush Delivery options O-Ring Technical References O-Ring Material Selection Reference Guides Popular O-Ring Material Comparison Guide FFKM Kalrez® O-Rings Material

Quantity & Size:270 PCS 18 popular sizes O-ring sealing gasket washer. Material: Nitrile rubber (NBR), anti static, oil resistant, UV resistance, heat resistant, wear resistant, durable and long service life. Quantity & Size:270 PCS 18 popular sizes O-ring sealing gasket washer.

Parco O-rings are available in a wide range of standard and non-standard sizes that are suitable for nearly all sealing applications. Two dimensions describe 

The standard sizes used in the United States are defined by Aerospace Standard AS568B, Aerospace Size Standard for O-rings. That document, published by the Society of Automotive Engineers (SAE), lists the sizes of O-rings in six series or groups in both inches and millimeters. The first five series are based on cross-sectional diameter.

Technical Handbook O-rings Standard O-ring Sizes (200 Series 201 to 285 cross section Diameters w = 139 ± .004 inches, w = 3,53 ± 0,10 mm Size Nominal Size Standard O-ring Size Metric O-ring Size Only (Inches) (Inches) (millimeters) AS 568A Actual Per AS 568 A Actual Per AS 568A Uniform Dash No. I.D. O.D. W.

Size C.S. Inch I.D. Inch O.D. Inch C.S. MM I.D. MM O.D. MM 001: Order This Size 0.040 0.029 0.109 1.02 0.74 2.78 002: Order This Size 0.050 0.042 0.142 1.27 1.07 3.61 003: Order This Size 0.060 0.056 0.176 1.52 1.42 4.46

Groove Design for correct O-ring dimensions: calculation for piston seals, rod seals and flange seal.

Popular o-ring size standards include USA's AS568 o-ring size chart, the UK's BS 1806 o-ring sizing chart, and Japan's JIS B 2401 o-ring size list. Metric o- 

All Standard O-Rings are available in a choice of six basic compounds in Durometers 40 through 90, Shore A Hard- ness, to satisfy most O-Ring sealing 

BS Number O‑Ring Size (ID x Cross Section (mm)) Nominal Size (Inches) Nominal Size (In ID OD BS001 0.74 x 1.02 1/32 3/32 BS002 1.07 x 1.27 3/64 9/64

There are three Dimensions that you need in order to obtain the perfectly sized O-Ring for your application. These are the Outside Diameter 

on O-ring drive belts and their application will be found in O-Ring Applications, Section III. 1.2 What is an O-Ring Seal? An O-ring seal is used to prevent the loss of a fluid or gas. The seal assembly consists of an elastomer O-ring and a gland. An O-ring is a circular cross-section ring molded from rubber (Figure 1-1).

for non-standard sizes. Parco offers O-rings in all 369 standard sizes, shown on the enclosed chart. Metric Sizes Standard metric sizes for O-rings are defined by International Standard ISO 3601-1:2002: Fluid power systems O-rings Part 1: Inside diameters, cross-sections, tolerances and size identification code. That standard groups metric

AS568. AS568 is the most commonly used standard in the United States for defining “inch sizes” of o-rings.

O-rings are actually really easy to measure. All you need to do is measure the internal diameter (ID) or outside diameter (OD) and the width or cross section (C 

For the experienced O-ring seal designer: 1. Determine the gland design for best sealing results. (a) If the fluid medium or its specification is known,.

An o-ring is a very important part of that design. O-rings are generally installed in a seal to prevent leaking, or loss of fluid. Rubber Fab offers AS568 

Outside diameter (O.D.) is for reference only. O-Rings are specified by I.D.and Inside Diameter cross section. Phone: (716) 684-6560 Fax: (716) 684-8302 E-mail: [email protected] Online: applerubber.com. For complete list of o-ring seal sizes, please use the O-Ring Size Search Tool online at applerubber.com. Standard O-Rings

O-Ring size is defined by inside diameter and cross-section (width) and is listed in both fractional and decimal dimensions with tolerances.

Splice & Join O-rings. Kalrez® Splice & Join O-rings can be produced in a broad range of customized cross-section and diameter dimensions to meet specific needs. Cross sections are available within a range of 0.118 to 0.500" (3.00 mm to 12.70 mm) for many compounds with a minimum inside diameter of 26.000" (660.40 mm).

Military Specification O-Rings need only NSN (National Stock Number) or the Military specification Prefix, plus the AS568 dash number (size). No other description is needed to assure exact conformance to the specification. Certification and cure dates are automatically sent when required. AN (army navy), MS (military specification),

As important as the o'ring seal itself is the groove that the o'ring seats into. The groove must be designed to accommodate not just the o'ring size, but also 

Explore o-ring materials to compare temperature, performance, chemical resistance, abrasion, and more. View Guide O-Ring Size Chart Dimensions Browse in-depth charts on o-ring and sealing product sizes to find the right seal for your application. View Guide O-Ring Tolerances Guide

O-Ring Boss Gaskets for Straight Thread Tube Fittings . Standard O-Ring Sizes and Dimensions (Continued). NOTES: (1) “AN”, “MS”, and “NAS” information 

USA AS568 o-ring standard sizes are the most commonly used o-ring sizes in the world. Refer to our standard o-ring size chart to find USA AS568 o-ring dimensions. Order o-rings online from the world’s largest inventory network including custom o-rings typically without tooling fees.