SealSpec / O-rings / Size chart / AS568-210

AS568-210 O-ring · 3/4 ID × 1/8 cross-section

Standard AS568 size -210: 0.734 in inside diameter × 0.139 in cross-section (18.64 × 3.53 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-210 O-ring dimensioned drawing, 0.734 inch ID by 0.139 inch cross-section, outside diameter 1.012 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-210
Inside diameter	0.734 ± 0.010
Cross-section	0.139 ± 0.004
Outside diameter (calculated)	1.012
Nominal	3/4 × 1 × 1/8

Dimensions (mm)

Inside diameter	18.64 ± 0.25
Cross-section	3.53 ± 0.10
Outside diameter (calc.)	25.70

Material options for -210

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

Check your groove for -210

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 (0.139 in)

-206 0.484 -207 0.546 -208 0.609 -209 0.671 -210 0.734 -211 0.796 -212 0.859 -213 0.921 -214 0.984

← AS568-209 · AS568-211 → · Full size chart