Buna 70-450-Black-Pk2

SB-H70450-2 is an AS568-450 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 10.475 in (266.07 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 11.025 in (280.04 mm). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: 0.275CSX10.475"IDX11.025"OD.

As a material, Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to propane and butane, greases and lubricants, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, construction equipment, and automotive.

Reference part number SB-H70450-2 when ordering; the item is sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.