SB-H70146-50 is an AS568-146 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.612 in (66.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.818 in (71.58 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: 2.8125IDX2.625"ODX.0938"CS.
Buna-N (Nitrile) offers reliable performance in both static and dynamic service, strong abrasion and tear resistance. The compound resists greases and lubricants, hydraulic fluids, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or strong acids.
It sees regular use in general industrial maintenance, automotive, and hydraulic and pneumatic systems.
This item is sold by the bag under part number SB-H70146-50. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description Buna 70-146-Black-Pk50
uf_description2 2.8125"IDX2.625"ODX.0938"CS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 2.612 inch (66.34 mm)
Actual_OD 2.818 inch (71.58 mm)
ProductCode Description O-Rings - Bagged - Commodity