SealSpec / O-rings / Size chart / AS568-247

AS568-247 O-ring · 4 5/8 ID × 1/8 cross-section

Standard AS568 size -247: 4.609 in inside diameter × 0.139 in cross-section (117.07 × 3.53 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-247 O-ring dimensioned drawing, 4.609 inch ID by 0.139 inch cross-section, outside diameter 4.887 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-247
Inside diameter	4.609 ± 0.030
Cross-section	0.139 ± 0.004
Outside diameter (calculated)	4.887
Nominal	4 5/8 × 4 7/8 × 1/8

Dimensions (mm)

Inside diameter	117.07 ± 0.76
Cross-section	3.53 ± 0.10
Outside diameter (calc.)	124.13

Material options for -247

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

Check your groove for -247

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 (0.139 in)

-243 4.109 -244 4.234 -245 4.359 -246 4.484 -247 4.609 -248 4.734 -249 4.859 -250 4.984 -251 5.109

← AS568-246 · AS568-248 → · Full size chart