SealSpec / O-rings / Size chart / AS568-144

AS568-144 O-ring · 2 1/2 ID × 3/32 cross-section

Standard AS568 size -144: 2.487 in inside diameter × 0.103 in cross-section (63.17 × 2.62 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-144 O-ring dimensioned drawing, 2.487 inch ID by 0.103 inch cross-section, outside diameter 2.693 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-144
Inside diameter	2.487 ± 0.020
Cross-section	0.103 ± 0.003
Outside diameter (calculated)	2.693
Nominal	2 1/2 × 2 11/16 × 3/32

Dimensions (mm)

Inside diameter	63.17 ± 0.51
Cross-section	2.62 ± 0.08
Outside diameter (calc.)	68.40

Material options for -144

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

Check your groove for -144

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

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Same cross-section (0.103 in)

-140 2.237 -141 2.300 -142 2.362 -143 2.425 -144 2.487 -145 2.550 -146 2.612 -147 2.675 -148 2.737

← AS568-143 · AS568-145 → · Full size chart