-118 BLACK BUNA 50D O-RING

APG stocks the H50118, an AS568-118 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 0.862 in (21.89 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.068 in (27.13 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) delivers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material holds up against propane and butane, greases and lubricants, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids.

It sees regular use in agricultural equipment, construction equipment, and general industrial maintenance.

Reference part number H50118 when ordering; the item is sold individually. Nominal inside diameter is listed as 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.