Buna 70-2mmCSx4mmID-Black-Pk100

SB-H2X4-100 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 4 mm (0.157 in), a cross section of 2 mm (0.079 in), and an outside diameter of 8 mm (0.31 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: 4MMIDX2MMCS.

As a material, Buna-N (Nitrile) delivers low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, greases and lubricants, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to polar solvents or automotive brake fluid will shorten service life.

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

Order part number SB-H2X4-100, sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.