Buna 70-246-Black-Pk25

Part number SB-H70246-25 is an AS568-246 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.484 in (113.89 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.762 in (120.95 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: 4.75IDX4.5"ODX.125"CS.

Buna-N (Nitrile) offers strong abrasion and tear resistance, low compression set under sustained load. The compound resists greases and lubricants, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ketones or strong acids are present.

It sees regular use in hydraulic and pneumatic systems, fluid power, and general industrial maintenance.

SB-H70246-25 ships by the bag. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.