-107 BLACK BUNA 50D O-RING

H50107 is an AS568-107 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 0.206 in (5.23 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.412 in (10.46 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

It resists propane and butane, hydraulic fluids, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) offers reliable performance in both static and dynamic service, low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to ozone and direct sunlight or ketones will shorten service life.

Common environments for this compound include fluid power, general industrial maintenance, and agricultural equipment.

Order part number H50107, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.