SealSpec / O-rings / Size chart / AS568-346

AS568-346 O-ring · 4 1/8 ID × 3/16 cross-section

Standard AS568 size -346: 4.100 in inside diameter × 0.210 in cross-section (104.14 × 5.33 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.

AS568-346 O-ring dimensioned drawing, 4.100 inch ID by 0.210 inch cross-section, outside diameter 4.520 inch — Dimensioned drawing, proportional to ID/CSDownload SVG

Dimensions (inch)

Dash number	AS568-346
Inside diameter	4.100 ± 0.028
Cross-section	0.210 ± 0.005
Outside diameter (calculated)	4.520
Nominal	4 1/8 × 4 1/2 × 3/16

Dimensions (mm)

Inside diameter	104.14 ± 0.71
Cross-section	5.33 ± 0.13
Outside diameter (calc.)	114.81

Material options for -346

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

Check your groove for -346

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

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Same cross-section (0.210 in)

-342 3.600 -343 3.725 -344 3.850 -345 3.975 -346 4.100 -347 4.225 -348 4.350 -349 4.475 -350 4.600

← AS568-345 · AS568-347 → · Full size chart