Buna 70-448-Black-Pk2

Ordered as SB-H70448-2, this is an AS568-448 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 9.475 in (240.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.025 in (254.64 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: 0.275CSX9.475"IDX10.025"OD.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, most widely specified general-purpose sealing elastomer. The compound resists propane and butane, many alcohols, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with polar solvents or ketones.

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

This item is sold by the bag under part number SB-H70448-2. Nominal inside diameter is listed as 9 1/2 inch. 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.