Buna 70-129-Black-Pk10

Part number SB-H70129-10 is an AS568-129 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: 1.75IDX1.5625"ODX.0938"CS.

Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The compound resists petroleum-based oils, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

You will find this material specified across construction equipment, automotive, and agricultural equipment.

Reference part number SB-H70129-10 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 1 9/16 inch. 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.