SealSpec / O-rings / Size chart / AS568-326

AS568-326 O-ring · 1 5/8 ID × 3/16 cross-section

Standard AS568 size -326: 1.600 in inside diameter × 0.210 in cross-section (40.64 × 5.33 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-326 O-ring dimensioned drawing, 1.600 inch ID by 0.210 inch cross-section, outside diameter 2.020 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-326
Inside diameter	1.600 ± 0.015
Cross-section	0.210 ± 0.005
Outside diameter (calculated)	2.020
Nominal	1 5/8 × 2 × 3/16

Dimensions (mm)

Inside diameter	40.64 ± 0.38
Cross-section	5.33 ± 0.13
Outside diameter (calc.)	51.31

Material options for -326

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

Check your groove for -326

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

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Same cross-section (0.210 in)

-322 1.225 -323 1.287 -324 1.350 -325 1.475 -326 1.600 -327 1.725 -328 1.850 -329 1.975 -330 2.100

← AS568-325 · AS568-327 → · Full size chart