If you need a rubber or O-ring durometer that feels like a running shoe sole, review our rubber hardness chart below, then pick Shore 70A. A rubber durometer of Shore 70A is the most commonly chosen material hardness for all applications. Duro 20A = Rubber Band. Duro 40A = Pencil Eraser. Duro 60A = Car Tire Tread.

List of BS1806, AS568A, SAE and JIS o'ring sizes and tolerances.

O-Rings. Standard O-rings; Non-Standard O-rings; O-ring Size Chart; O-Ring Kits; Back-up Rings. Back-up Ring Size Chart; Custom Molded Rubber Seals; Rubber-to-Metal Bonded; Machined Metal; Compounds. Overview; Military and Aerospace Specifications; QPL-Listed Compounds; NSF-Listed Compounds; UL-Listed Compounds; FDA-Conforming Compounds

Size CS (IN) ID (IN) OD (IN) CS (MM) ID (MM) OD (MM) Shop our online store or get a qu 001 0.040 0.029 0.109 1.02 0.74 2.78 Get Quote Buy Online 002 0.050 0.042 0.142 1.27 1.07 3.61 Get Quote Buy Online 003 0.060 0.056 0.176 1.52 1.42 4.46 Get Quote Buy Online

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). The gland — usually cut into metal or another rigid material — contains and supports the O-ring (Figures 1-2 and

AS568 Inches Inches Inches Inches mm mm mm mm Size ID ± CS ± ID ± CS ± ‑001 0.029 0.004 0.040 0.003 0.74 0.10 1.02 0.08 ‑002 0.042 0.004 0.050 0.003 1.07 0.10 1.27 0.08

AS568 SAE (Society of Automotive Engineers) Standard O-ring sizes · ISO3601 International Organisation for Standardisation (metric O-rings) · British Standard 

CCR Registered, ITAR Registered, Cage Code: 1LFP5, PPAP Reports, Conflict Minerals Compliant SAE, ASTM and Military Specifications ISO 9001: Compliant

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new version has more O-Rings illustrated, including Precision Associates' own extended stan-dards. We debut our latest innovation with this publication - 5/32" nominal cross section O-Rings. Until now, O-Ring standards have left a gap between the 1/8" and 3/16" nominal cross sections. In de-

AS568 is the most commonly used standard in the United States for defining “inch sizes” of o-rings. AS568 SIZE CHART. View Size Chart. BS 1806. British