O-RINGS
We have access to over 150 million O-rings in eight popular compounds spanning all AS568 standard sizes. Various rubber O-rings include Nitrile, Silicone, Viton, EPDM, and FDA O-rings.
O-RING STANDARD COMPOUNDS
O-Ring Size Chart
N100-70 Nitrile O-Rings
A general purpose, sulfur-cured Nitrile (Buna-N) compound
Color: Black
Duro: 70
Temp Range: -40 to +250ºF
FDA: No
V708-75 Viton O-Rings
DuPont Viton, with exceptional chemical resistance
Color: Brown
Duro: 75
Temp Range: -20 to +400ºF
FDA: No
N140-90 FDA O-Rings
A sulfur-cured, Nitrile compound for high pressure
Color: Black
Duro: 90
Temp Range: -40 to +250ºF
FDA: Yes
V768-75 Viton O-Rings
FDA & 3A Sanitary Grade. DuPont Viton, with exceptional chemical resistance
Color: Brown
Duro: 75
Temp Range:
FDA: Yes
N168-70 FDA O-Rings
An FDA Grade, Nitrile (Buna-N) compound
Color: Black
Duro: 70
Temp Range: -40 to +250ºF
FDA: Yes
S500-70 Silicone O-Rings
FDA Grade Silicone Compound for food & medical applications
Color: Red
Duro: 70
Temp Range: -80 to +400ºF
FDA: Yes
V700-75 Viton O-Rings
DuPont Viton®, with exceptional chemical resistance
Color: Black
Duro: 75
Temp Range: -20 to +400ºF
FDA: No
E300-70 EPDM O-Rings
FDA Grade EPDM compound for ozone, water & UV service
Color: Black
Duro: 70
Temp Range: -65 to +300ºF
FDA: Yes
*FDA per CFR 177.2600