Buna-N O-Ring, 7-1/2″ OD, 70A, DB 169 is a black, round-cross-section O-ring made from Buna-nitrile, designed for versatile sealing applications. Known for its strength and resistance properties, this O-ring ensures effective sealing in various industrial and mechanical environments.
O-rings are widely used in engines, faucets, valves, and various sealing applications, offering reliable pressure and fluid sealing for overlapping, cylindrically shaped surfaces.
Features:
- Constructed from Buna-nitrile, offering high tensile strength and resistance to abrasion, tear, and compression set
- Operates in temperatures ranging from -30°F (-34°C) to 250°F (121°C)
- Compatible with petroleum, HFA, HFB, and HFC fluids, vegetable oil, alcohol, acids, and aliphatic hydrocarbons
- Not suitable for use with acetone, ethers, esters, ozone, sunlight, or weathering exposure
- Hardness of 70A Shore Durometer for durability and indentation resistance
- Meets Aerospace Standard AS568A for O-ring size specifications
Specifications:
- Outer Diameter (OD): 7-1/2″
- Durometer: 70A
- Material: Buna-nitrile (NBR)
- Shape: Round with a hole in the center
- Package Dimensions: 5 x 4.5 x 0.2 inches
- Weight: 0.8 ounces
