This o-ring is supplied in AS568-020 black Buna-N (Nitrile) 50 Shore A built to an inside diameter of 0.864 in (21.95 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.004 in (25.5 mm), catalogued under part number H50020. It creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. It resists hydraulic fluids, petroleum-based oils, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.
Typical settings include automotive, fluid power, and hydraulic and pneumatic systems.
Order part number H50020, sold individually. Unit weight is approximately 0.0002 g and nominal inside diameter is listed as 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -020 BLACK BUNA 50D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 0.864 inch (21.95 mm)
Actual Outside Diameter 1.004 inch (25.5 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity