SealSpec / O-rings / Size chart / AS568-112

AS568-112 O-ring · 1/2 ID × 3/32 cross-section

Standard AS568 size -112: 0.487 in inside diameter × 0.103 in cross-section (12.37 × 2.62 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-112 O-ring dimensioned drawing, 0.487 inch ID by 0.103 inch cross-section, outside diameter 0.693 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-112
Inside diameter	0.487 ± 0.005
Cross-section	0.103 ± 0.003
Outside diameter (calculated)	0.693
Nominal	1/2 × 11/16 × 3/32

Dimensions (mm)

Inside diameter	12.37 ± 0.13
Cross-section	2.62 ± 0.08
Outside diameter (calc.)	17.60

Material options for -112

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

Check your groove for -112

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 (0.103 in)

-108 0.237 -109 0.299 -110 0.362 -111 0.424 -112 0.487 -113 0.549 -114 0.612 -115 0.674 -116 0.737

← AS568-111 · AS568-113 → · Full size chart