Standard AS568 O-ring
AS568-356 O-Ring, 5.350 x 0.210 in (135.89 x 5.33 mm)
The AS568-356 O-ring (dash 356, also written 2-356) has an inside diameter of 5.350 in (135.89 mm), a cross section of 0.210 in (5.33 mm), nominal 3/16 inch, and an outside diameter of 5.770 in (146.55 mm). We supply it in Buna-N (nitrile), Viton (FKM) or EPDM, in packs of 10, 25 and 100.
Size
| AS568 size | -356 |
|---|---|
| Inside diameter (ID) | 5.350 in (135.89 mm) |
| Cross section (CS) | 0.210 in (5.33 mm), nominal 3/16 in |
| Outside diameter (OD) | 5.770 in (146.55 mm) |
Rubber and pack prices
| Rubber | 10-pack | 25-pack | 100-pack |
|---|---|---|---|
| Buna-N (nitrile) 70AGood for water, air and petroleum oils; the usual choice for filter housings. | $7.99 | $18.99 | Request a quote |
| Viton (FKM) 75AGood for heat, fuels and many chemicals. | $31.99 | Request a quote | Request a quote |
| EPDM 70AGood for hot water, steam and chlorinated or chloraminated water. | $12.99 | $29.99 | Request a quote |
A size match is not a fit claim for your equipment. Some sizes ship from stock; others have a 2-3 business day lead time before they ship. Not for oxygen, medical, aviation, scuba or other safety-critical use.