Part number H50013 is an AS568-013 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 0.426 in (10.82 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.566 in (14.38 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. It resists many alcohols, water, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ketones or ozone and direct sunlight.
Maintenance and OEM teams specify it across construction equipment, general industrial maintenance, and automotive.
Order part number H50013, sold individually. 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 -013 BLACK BUNA 50D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 0.426 inch (10.82 mm)
Actual Outside Diameter 0.566 inch (14.38 )
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity