Buna 70-136-Black-Pk10

APG stocks the SB-H70136-10, an AS568-136 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.987 in (50.47 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.193 in (55.7 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: 0.103CSX1.987"IDX2.193"OD.

It resists petroleum-based oils, propane and butane, and water. Buna-N (Nitrile) is known for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or strong acids will shorten service life.

Typical settings include fluid power, hydraulic and pneumatic systems, and automotive.

This item is sold by the bag under part number SB-H70136-10. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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.