SealSpec / O-rings / Size chart / AS568-426

AS568-426 O-ring · 4 5/8 ID × 1/4 cross-section

Standard AS568 size -426: 4.600 in inside diameter × 0.275 in cross-section (116.84 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-426 O-ring dimensioned drawing, 4.600 inch ID by 0.275 inch cross-section, outside diameter 5.150 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-426
Inside diameter	4.600 ± 0.033
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	5.150
Nominal	4 5/8 × 5 1/8 × 1/4

Dimensions (mm)

Inside diameter	116.84 ± 0.84
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	130.81

Material options for -426

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

Check your groove for -426

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 (0.275 in)

-425 4.475 -426 4.600 -427 4.725 -428 4.850 -429 4.975 -430 5.100

← AS568-425 · AS568-427 → · Full size chart