H50012 is an AS568-012 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 0.364 in (9.25 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.504 in (12.8 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) offers reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. It resists many alcohols, water, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.
You will find this material specified across agricultural equipment, automotive, and fluid power.
Order part number H50012, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -012 BLACK BUNA 50D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 0.364 inch (9.25 mm)
Actual Outside Diameter 0.504 inch (12.8 )
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity