SealSpec / O-rings / Size chart / AS568-468

AS568-468 O-ring · 19 1/2 ID × 1/4 cross-section

Standard AS568 size -468: 19.455 in inside diameter × 0.275 in cross-section (494.16 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-468 O-ring dimensioned drawing, 19.455 inch ID by 0.275 inch cross-section, outside diameter 20.005 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-468
Inside diameter	19.455 ± 0.090
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	20.005
Nominal	19 1/2 × 20 × 1/4

Dimensions (mm)

Inside diameter	494.16 ± 2.29
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	508.13

Material options for -468

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

Check your groove for -468

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Groove depth (in)Groove width (in)Installed ID / rod (in)

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Same cross-section (0.275 in)

-464 17.455 -465 17.955 -466 18.455 -467 18.955 -468 19.455 -469 19.955 -470 20.955 -471 21.955 -472 22.940

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