Buna 70-434-Black-Pk5

APG stocks the SB-H70434-5, an AS568-434 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 5.6 in (142.24 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.15 in (156.21 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. This item is further identified as 0.275CSX5.600"IDX6.150"OD.

As a material, Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. It resists water, petroleum-based oils, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

It sees regular use in hydraulic and pneumatic systems, agricultural equipment, and automotive.

SB-H70434-5 ships by the bag. Nominal inside diameter is listed as 5 5/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.