SealSpec / O-rings / Size chart / AS568-008

AS568-008 O-ring · 3/16 ID × 1/16 cross-section

Standard AS568 size -008: 0.176 in inside diameter × 0.070 in cross-section (4.47 × 1.78 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-008 O-ring dimensioned drawing, 0.176 inch ID by 0.070 inch cross-section, outside diameter 0.316 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-008
Inside diameter	0.176 ± 0.005
Cross-section	0.070 ± 0.003
Outside diameter (calculated)	0.316
Nominal	3/16 × 5/16 × 1/16

Dimensions (mm)

Inside diameter	4.47 ± 0.13
Cross-section	1.78 ± 0.08
Outside diameter (calc.)	8.03

Material options for -008

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

Check your groove for -008

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 (0.070 in)

-004 0.070 -005 0.101 -006 0.114 -007 0.145 -008 0.176 -009 0.208 -010 0.239 -011 0.301 -012 0.364

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