5.7MM CS X 74.2MM ID BLACK BUNA 90D

This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 74.2 mm (2.921 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 85.6 mm (3.37 in), catalogued under part number H90M5.7X74.2. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, water, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include automotive, general industrial maintenance, and agricultural equipment.

Stocked as H90M5.7X74.2 and sold individually. Unit weight is approximately 0.0085 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.