Ordered as H50910, this is an AS568-910 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 0.755 in (19.18 mm), a cross section of 0.097 in (2.46 mm), and an outside diameter of 0.949 in (24.1 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
This material stands up to propane and butane, hydraulic fluids, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or strong acids call for a different compound.
Common environments for this compound include general industrial maintenance, hydraulic and pneumatic systems, and automotive.
Order part number H50910, sold individually. 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.
Description -910 BLACK BUNA 50D O-RING
Actual Cross Section 0.097 inch (2.46 mm)
Actual Inside Diameter 0.755 inch (19.18 mm)
Actual Outside Diameter 0.949 inch (24.1 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity