The H50165 is an AS568-165 black Buna-N (Nitrile) 50 Shore A O-Ring built to an inside diameter of 6.487 in (164.77 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.693 in (170 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) offers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. This material stands up to hydraulic fluids, many alcohols, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or polar solvents.
It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and general industrial maintenance.
Order part number H50165, sold individually. Nominal inside diameter is listed as 6 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -165 BLACK BUNA 50D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 6.487 inch (164.77 mm)
Actual Outside Diameter 6.693 inch (170 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity