Buna 70-150-Black-Pk50

APG stocks the SB-H70150-50, an AS568-150 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.862 in (72.69 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.068 in (77.93 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: 3.0625IDX2.875"ODX.0938"CS.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. The material holds up against propane and butane, water, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

Common environments for this compound include fluid power, automotive, and hydraulic and pneumatic systems.

Reference part number SB-H70150-50 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 2 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.