Standard AS568 O-ring
AS568-161 O-Ring, 5.487 x 0.103 in (139.37 x 2.62 mm)
The AS568-161 O-ring (dash 161, also written 2-161) has an inside diameter of 5.487 in (139.37 mm), a cross section of 0.103 in (2.62 mm), nominal 3/32 inch, and an outside diameter of 5.693 in (144.61 mm). We supply it in Buna-N (nitrile), Viton (FKM), EPDM or Silicone, in packs of 10, 25 and 100.
Size
| AS568 size | -161 |
|---|---|
| Inside diameter (ID) | 5.487 in (139.37 mm) |
| Cross section (CS) | 0.103 in (2.62 mm), nominal 3/32 in |
| Outside diameter (OD) | 5.693 in (144.61 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. | $5.99 | $9.99 | $34.99 |
| Viton (FKM) 75AGood for heat, fuels and many chemicals. | $13.99 | $32.99 | Request a quote |
| EPDM 70AGood for hot water, steam and chlorinated or chloraminated water. | $7.99 | $16.99 | $71.99 |
| Silicone 70A (orange)Good for a wide temperature range and food-contact use. | $10.99 | $24.99 | 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.