Standard AS568 O-ring

AS568-370 O-Ring, 8.225 x 0.210 in (208.92 x 5.33 mm)

The AS568-370 O-ring (dash 370, also written 2-370) has an inside diameter of 8.225 in (208.92 mm), a cross section of 0.210 in (5.33 mm), nominal 3/16 inch, and an outside diameter of 8.645 in (219.58 mm). We supply it in Buna-N (nitrile), EPDM or Silicone, in packs of 10, 25 and 100.

Size

AS568 size-370
Inside diameter (ID)8.225 in (208.92 mm)
Cross section (CS)0.210 in (5.33 mm), nominal 3/16 in
Outside diameter (OD)8.645 in (219.58 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.$13.99Request a quoteRequest a quote
EPDM 70AGood for hot water, steam and chlorinated or chloraminated water.$18.99$51.99Request a quote
Silicone 70A (orange)Good for a wide temperature range and food-contact use.$25.99Request a quoteRequest 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