Standard AS568 O-ring

AS568-901 O-Ring, 0.185 x 0.056 in (4.70 x 1.42 mm)

The AS568-901 O-ring (dash 901, also written 2-901) has an inside diameter of 0.185 in (4.70 mm), a cross section of 0.056 in (1.42 mm), and an outside diameter of 0.297 in (7.54 mm). We supply it in Buna-N (nitrile), Viton (FKM), EPDM or Silicone, in packs of 10, 25 and 100.

Size

AS568 size-901
Inside diameter (ID)0.185 in (4.70 mm)
Cross section (CS)0.056 in (1.42 mm)
Outside diameter (OD)0.297 in (7.54 mm)

Rubber and pack prices

Rubber10-pack25-pack100-pack
Buna-N (nitrile) 70AGood for water, air and petroleum oils; the usual choice for filter housings.$5.99$8.99$30.99
Viton (FKM) 75AGood for heat, fuels and many chemicals.$5.99$8.99$30.99
EPDM 70AGood for hot water, steam and chlorinated or chloraminated water.$5.99$8.99$29.99
Silicone 70A (orange)Good for a wide temperature range and food-contact use.$5.99$8.99$31.99

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.

Not sure of your size?Measure the inside diameter and the thickness of your old O-ring, or send us the part number, and we will match it.Contact usSearch sizes in the Filter Finder