Buna 70-025-Black-Pk100

SB-H70025-100 is an AS568-025 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.176 in (29.87 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.316 in (33.43 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. This item is further identified as 1.3125IDX1.1875"ODX.0625"CS.

The compound resists hydraulic fluids, petroleum-based oils, and water. Buna-N (Nitrile) offers low compression set under sustained load, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across automotive, construction equipment, and hydraulic and pneumatic systems.

SB-H70025-100 ships by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.