SealSpec / O-rings / Size chart / AS568-273

AS568-273 O-ring · 9 3/4 ID × 1/8 cross-section

Standard AS568 size -273: 9.734 in inside diameter × 0.139 in cross-section (247.24 × 3.53 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-273 O-ring dimensioned drawing, 9.734 inch ID by 0.139 inch cross-section, outside diameter 10.012 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-273
Inside diameter	9.734 ± 0.055
Cross-section	0.139 ± 0.004
Outside diameter (calculated)	10.012
Nominal	9 3/4 × 10 × 1/8

Dimensions (mm)

Inside diameter	247.24 ± 1.40
Cross-section	3.53 ± 0.10
Outside diameter (calc.)	254.30

Material options for -273

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

Check your groove for -273

Enter your gland dimensions. Results are nominal geometry.

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

Open the full groove calculator →

Same cross-section (0.139 in)

-269 8.734 -270 8.984 -271 9.234 -272 9.484 -273 9.734 -274 9.984 -275 10.484 -276 10.984 -277 11.484

← AS568-272 · AS568-274 → · Full size chart