Standard AS568 O-ring
AS568-268 O-Ring, 8.484 x 0.139 in (215.49 x 3.53 mm)
The AS568-268 O-ring (dash 268, also written 2-268) has an inside diameter of 8.484 in (215.49 mm), a cross section of 0.139 in (3.53 mm), nominal 1/8 inch, and an outside diameter of 8.762 in (222.55 mm). We supply it in Buna-N (nitrile), EPDM or Silicone, in packs of 10, 25 and 100.
Size
| AS568 size | -268 |
|---|---|
| Inside diameter (ID) | 8.484 in (215.49 mm) |
| Cross section (CS) | 0.139 in (3.53 mm), nominal 1/8 in |
| Outside diameter (OD) | 8.762 in (222.55 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. | $9.99 | $22.99 | Request a quote |
| EPDM 70AGood for hot water, steam and chlorinated or chloraminated water. | $14.99 | $32.99 | Request a quote |
| Silicone 70A (orange)Good for a wide temperature range and food-contact use. | $17.99 | $48.99 | 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.