SealSpec / O-rings / Size chart / AS568-430

AS568-430 O-ring · 5 1/8 ID × 1/4 cross-section

Standard AS568 size -430: 5.100 in inside diameter × 0.275 in cross-section (129.54 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-430 O-ring dimensioned drawing, 5.100 inch ID by 0.275 inch cross-section, outside diameter 5.650 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-430
Inside diameter	5.100 ± 0.037
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	5.650
Nominal	5 1/8 × 5 5/8 × 1/4

Dimensions (mm)

Inside diameter	129.54 ± 0.94
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	143.51

Material options for -430

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

Check your groove for -430

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)

-426 4.600 -427 4.725 -428 4.850 -429 4.975 -430 5.100 -431 5.225 -432 5.350 -433 5.475 -434 5.600

← AS568-429 · AS568-431 → · Full size chart