Standard AS568 O-ring

AS568-342 O-Ring, 3.600 x 0.210 in (91.44 x 5.33 mm)

The AS568-342 O-ring (dash 342, also written 2-342) has an inside diameter of 3.600 in (91.44 mm), a cross section of 0.210 in (5.33 mm), nominal 3/16 inch, and an outside diameter of 4.020 in (102.10 mm). We supply it in Buna-N (nitrile), Viton (FKM), EPDM or Silicone, in packs of 10, 25 and 100.

Size

AS568 size-342
Inside diameter (ID)3.600 in (91.44 mm)
Cross section (CS)0.210 in (5.33 mm), nominal 3/16 in
Outside diameter (OD)4.020 in (102.10 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.$6.99$14.99Request a quote
Viton (FKM) 75AGood for heat, fuels and many chemicals.$23.99$64.99Request a quote
EPDM 70AGood for hot water, steam and chlorinated or chloraminated water.$11.99$26.99Request a quote
Silicone 70A (orange)Good for a wide temperature range and food-contact use.$13.99$31.99Request 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