Standard AS568 O-ring
AS568-378 O-Ring, 10.475 x 0.210 in (266.07 x 5.33 mm)
The AS568-378 O-ring (dash 378, also written 2-378) has an inside diameter of 10.475 in (266.07 mm), a cross section of 0.210 in (5.33 mm), nominal 3/16 inch, and an outside diameter of 10.895 in (276.73 mm). We supply it in Buna-N (nitrile), Viton (FKM) or Silicone, in packs of 10, 25 and 100.
Size
| AS568 size | -378 |
|---|---|
| Inside diameter (ID) | 10.475 in (266.07 mm) |
| Cross section (CS) | 0.210 in (5.33 mm), nominal 3/16 in |
| Outside diameter (OD) | 10.895 in (276.73 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. | $16.99 | Request a quote | Request a quote |
| Viton (FKM) 75AGood for heat, fuels and many chemicals. | $73.99 | Request a quote | Request a quote |
| Silicone 70A (orange)Good for a wide temperature range and food-contact use. | $33.99 | Request a quote | 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.