SealSpec / O-rings / Size chart / AS568-025

AS568-025 O-ring · 1 3/16 ID × 1/16 cross-section

Standard AS568 size -025: 1.176 in inside diameter × 0.070 in cross-section (29.87 × 1.78 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-025 O-ring dimensioned drawing, 1.176 inch ID by 0.070 inch cross-section, outside diameter 1.316 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-025
Inside diameter	1.176 ± 0.011
Cross-section	0.070 ± 0.003
Outside diameter (calculated)	1.316
Nominal	1 3/16 × 1 5/16 × 1/16

Dimensions (mm)

Inside diameter	29.87 ± 0.28
Cross-section	1.78 ± 0.08
Outside diameter (calc.)	33.43

Material options for -025

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

Check your groove for -025

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 (0.070 in)

-021 0.926 -022 0.989 -023 1.051 -024 1.114 -025 1.176 -026 1.239 -027 1.301 -028 1.364 -029 1.489

← AS568-024 · AS568-026 → · Full size chart