SealSpec / O-rings / Size chart / AS568-447

AS568-447 O-ring · 9 ID × 1/4 cross-section

Standard AS568 size -447: 8.975 in inside diameter × 0.275 in cross-section (227.97 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-447 O-ring dimensioned drawing, 8.975 inch ID by 0.275 inch cross-section, outside diameter 9.525 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-447
Inside diameter	8.975 ± 0.055
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	9.525
Nominal	9 × 9 1/2 × 1/4

Dimensions (mm)

Inside diameter	227.97 ± 1.40
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	241.94

Material options for -447

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

Check your groove for -447

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 (0.275 in)

-443 7.475 -444 7.725 -445 7.975 -446 8.475 -447 8.975 -448 9.475 -449 9.975 -450 10.475 -451 10.975

← AS568-446 · AS568-448 → · Full size chart