Buna 70-021-Black-Pk25

SB-H70021-25 is an AS568-021 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.926 in (23.52 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.066 in (27.08 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: 1.0625IDX.9375"ODX.0625"CS.

Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. The material holds up against many alcohols, hydraulic fluids, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or automotive brake fluid are present.

It sees regular use in construction equipment, automotive, and agricultural equipment.

Order part number SB-H70021-25, sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.