SealSpec / O-rings / Size chart / AS568-333

AS568-333 O-ring · 2 1/2 ID × 3/16 cross-section

Standard AS568 size -333: 2.475 in inside diameter × 0.210 in cross-section (62.87 × 5.33 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-333 O-ring dimensioned drawing, 2.475 inch ID by 0.210 inch cross-section, outside diameter 2.895 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-333
Inside diameter	2.475 ± 0.020
Cross-section	0.210 ± 0.005
Outside diameter (calculated)	2.895
Nominal	2 1/2 × 2 7/8 × 3/16

Dimensions (mm)

Inside diameter	62.87 ± 0.51
Cross-section	5.33 ± 0.13
Outside diameter (calc.)	73.53

Material options for -333

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

Check your groove for -333

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 (0.210 in)

-329 1.975 -330 2.100 -331 2.225 -332 2.350 -333 2.475 -334 2.600 -335 2.725 -336 2.850 -337 2.975

← AS568-332 · AS568-334 → · Full size chart