Buna 70-149-Black-Pk50

Part number SB-H70149-50 is an AS568-149 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.8 in (71.12 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.006 in (76.35 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: 3IDX2.8125"ODX.0938"CS.

As a material, Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Expect good resistance to water, propane and butane, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with automotive brake fluid or polar solvents.

Typical settings include agricultural equipment, general industrial maintenance, and fluid power.

This item is sold by the bag under part number SB-H70149-50. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.