SealSpec / O-rings / Size chart / AS568-329

AS568-329 O-ring · 2 ID × 3/16 cross-section

Standard AS568 size -329: 1.975 in inside diameter × 0.210 in cross-section (50.17 × 5.33 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-329 O-ring dimensioned drawing, 1.975 inch ID by 0.210 inch cross-section, outside diameter 2.395 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-329
Inside diameter	1.975 ± 0.018
Cross-section	0.210 ± 0.005
Outside diameter (calculated)	2.395
Nominal	2 × 2 3/8 × 3/16

Dimensions (mm)

Inside diameter	50.17 ± 0.46
Cross-section	5.33 ± 0.13
Outside diameter (calc.)	60.83

Material options for -329

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

Check your groove for -329

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

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Same cross-section (0.210 in)

-325 1.475 -326 1.600 -327 1.725 -328 1.850 -329 1.975 -330 2.100 -331 2.225 -332 2.350 -333 2.475

← AS568-328 · AS568-330 → · Full size chart