-357 BLACK BUNA 70D O-RING

H70357 is an AS568-357 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 5.475 in (139.07 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.895 in (149.73 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The material holds up against greases and lubricants, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Typical settings include agricultural equipment, fluid power, and automotive.

This item is sold individually under part number H70357. Unit weight is approximately 0.0124 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.