Standard AS568 O-ring
AS568-344 O-Ring, 3.850 x 0.210 in (97.79 x 5.33 mm)
The AS568-344 O-ring (dash 344, also written 2-344) has an inside diameter of 3.850 in (97.79 mm), a cross section of 0.210 in (5.33 mm), nominal 3/16 inch, and an outside diameter of 4.270 in (108.45 mm). We supply it in Buna-N (nitrile), Viton (FKM), EPDM or Silicone, in packs of 10, 25 and 100.
Size
| AS568 size | -344 |
|---|---|
| Inside diameter (ID) | 3.850 in (97.79 mm) |
| Cross section (CS) | 0.210 in (5.33 mm), nominal 3/16 in |
| Outside diameter (OD) | 4.270 in (108.45 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. | $6.99 | $15.99 | Request a quote |
| Viton (FKM) 75AGood for heat, fuels and many chemicals. | $24.99 | $67.99 | Request a quote |
| EPDM 70AGood for hot water, steam and chlorinated or chloraminated water. | $10.99 | $23.99 | Request a quote |
| Silicone 70A (orange)Good for a wide temperature range and food-contact use. | $12.99 | $29.99 | 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.