SealSpec / O-rings / Size chart / AS568-446

AS568-446 O-ring · 8 1/2 ID × 1/4 cross-section

Standard AS568 size -446: 8.475 in inside diameter × 0.275 in cross-section (215.27 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-446 O-ring dimensioned drawing, 8.475 inch ID by 0.275 inch cross-section, outside diameter 9.025 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-446
Inside diameter	8.475 ± 0.055
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	9.025
Nominal	8 1/2 × 9 × 1/4

Dimensions (mm)

Inside diameter	215.27 ± 1.40
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	229.23

Material options for -446

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

Check your groove for -446

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

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Same cross-section (0.275 in)

-442 7.225 -443 7.475 -444 7.725 -445 7.975 -446 8.475 -447 8.975 -448 9.475 -449 9.975 -450 10.475

← AS568-445 · AS568-447 → · Full size chart