Buna 70-220-Black-Pk100

The SB-H70220-100 is an AS568-220 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.359 in (34.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.637 in (41.58 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: 1.625IDX1.375"ODX.125"CS.

Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The compound resists many alcohols, petroleum-based oils, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.

This item is sold by the bag under part number SB-H70220-100. Nominal inside diameter is listed as 1 3/8 inch. Review your operating media and conditions against this specification before installation.