Part number H50457 is an AS568-457 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 13.975 in (354.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 14.525 in (368.94 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. This material stands up to petroleum-based oils, hydraulic fluids, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving automotive brake fluid or strong acids call for a different compound.
You will find this material specified across general industrial maintenance, hydraulic and pneumatic systems, and automotive.
Reference part number H50457 when ordering; the item is sold individually. Nominal inside diameter is listed as 14 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 -457 BLACK BUNA 50D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 13.975 inch (354.97 mm)
Actual Outside Diameter 14.525 inch (368.94 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity