SealSpec / O-rings / Size chart / AS568-451

AS568-451 O-ring · 11 ID × 1/4 cross-section

Standard AS568 size -451: 10.975 in inside diameter × 0.275 in cross-section (278.77 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-451 O-ring dimensioned drawing, 10.975 inch ID by 0.275 inch cross-section, outside diameter 11.525 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-451
Inside diameter	10.975 ± 0.060
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	11.525
Nominal	11 × 11 1/2 × 1/4

Dimensions (mm)

Inside diameter	278.77 ± 1.52
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	292.74

Material options for -451

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

Check your groove for -451

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 (0.275 in)

-447 8.975 -448 9.475 -449 9.975 -450 10.475 -451 10.975 -452 11.475 -453 11.975 -454 12.475 -455 12.975

← AS568-450 · AS568-452 → · Full size chart