SealSpec / O-rings / Size chart / AS568-469

AS568-469 O-ring · 20 ID × 1/4 cross-section

Standard AS568 size -469: 19.955 in inside diameter × 0.275 in cross-section (506.86 × 6.99 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-469 O-ring dimensioned drawing, 19.955 inch ID by 0.275 inch cross-section, outside diameter 20.505 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-469
Inside diameter	19.955 ± 0.095
Cross-section	0.275 ± 0.006
Outside diameter (calculated)	20.505
Nominal	20 × 20 1/2 × 1/4

Dimensions (mm)

Inside diameter	506.86 ± 2.41
Cross-section	6.99 ± 0.15
Outside diameter (calc.)	520.83

Material options for -469

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

Check your groove for -469

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

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Same cross-section (0.275 in)

-465 17.955 -466 18.455 -467 18.955 -468 19.455 -469 19.955 -470 20.955 -471 21.955 -472 22.940 -473 23.940

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