Standard AS568 O-ring

AS568-273 O-Ring, 9.734 x 0.139 in (247.24 x 3.53 mm)

The AS568-273 O-ring (dash 273, also written 2-273) has an inside diameter of 9.734 in (247.24 mm), a cross section of 0.139 in (3.53 mm), nominal 1/8 inch, and an outside diameter of 10.012 in (254.30 mm). We supply it in Buna-N (nitrile), Viton (FKM) or EPDM, in packs of 10, 25 and 100.

Size

AS568 size-273
Inside diameter (ID)9.734 in (247.24 mm)
Cross section (CS)0.139 in (3.53 mm), nominal 1/8 in
Outside diameter (OD)10.012 in (254.30 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.$10.99$25.99Request a quote
Viton (FKM) 75AGood for heat, fuels and many chemicals.$42.99$93.99Request a quote
EPDM 70AGood for hot water, steam and chlorinated or chloraminated water.$15.99$42.99Request 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.

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