SealSpec / O-rings / Size chart / AS568-151

AS568-151 O-ring · 3 ID × 3/32 cross-section

Standard AS568 size -151: 2.987 in inside diameter × 0.103 in cross-section (75.87 × 2.62 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-151 O-ring dimensioned drawing, 2.987 inch ID by 0.103 inch cross-section, outside diameter 3.193 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-151
Inside diameter	2.987 ± 0.024
Cross-section	0.103 ± 0.003
Outside diameter (calculated)	3.193
Nominal	3 × 3 3/16 × 3/32

Dimensions (mm)

Inside diameter	75.87 ± 0.61
Cross-section	2.62 ± 0.08
Outside diameter (calc.)	81.10

Material options for -151

Viton / FKM Nitrile / Buna-N EPDM Silicone Fluorosilicone Neoprene

Check your groove for -151

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Groove depth (in)Groove width (in)Installed ID / rod (in)

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Same cross-section (0.103 in)

-147 2.675 -148 2.737 -149 2.800 -150 2.862 -151 2.987 -152 3.237 -153 3.487 -154 3.737 -155 3.987

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