SealSpec / O-rings / Size chart / AS568-275

AS568-275 O-ring · 10 1/2 ID × 1/8 cross-section

Standard AS568 size -275: 10.484 in inside diameter × 0.139 in cross-section (266.29 × 3.53 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-275 O-ring dimensioned drawing, 10.484 inch ID by 0.139 inch cross-section, outside diameter 10.762 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-275
Inside diameter	10.484 ± 0.055
Cross-section	0.139 ± 0.004
Outside diameter (calculated)	10.762
Nominal	10 1/2 × 10 3/4 × 1/8

Dimensions (mm)

Inside diameter	266.29 ± 1.40
Cross-section	3.53 ± 0.10
Outside diameter (calc.)	273.35

Material options for -275

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

Check your groove for -275

Enter your gland dimensions. Results are nominal geometry.

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

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Same cross-section (0.139 in)

-271 9.234 -272 9.484 -273 9.734 -274 9.984 -275 10.484 -276 10.984 -277 11.484 -278 11.984 -279 12.984

← AS568-274 · AS568-276 → · Full size chart