SealSpec / O-rings / Size chart / AS568-363

AS568-363 O-ring · 6 1/2 ID × 3/16 cross-section

Standard AS568 size -363: 6.475 in inside diameter × 0.210 in cross-section (164.47 × 5.33 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-363 O-ring dimensioned drawing, 6.475 inch ID by 0.210 inch cross-section, outside diameter 6.895 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-363
Inside diameter	6.475 ± 0.040
Cross-section	0.210 ± 0.005
Outside diameter (calculated)	6.895
Nominal	6 1/2 × 6 7/8 × 3/16

Dimensions (mm)

Inside diameter	164.47 ± 1.02
Cross-section	5.33 ± 0.13
Outside diameter (calc.)	175.13

Material options for -363

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

Check your groove for -363

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 (0.210 in)

-359 5.725 -360 5.850 -361 5.975 -362 6.225 -363 6.475 -364 6.725 -365 6.975 -366 7.225 -367 7.475

← AS568-362 · AS568-364 → · Full size chart