This o-ring is supplied in AS568-268 black Buna-N (Nitrile) 50 Shore A supplied with an inside diameter of 8.484 in (215.49 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.762 in (222.55 mm), catalogued under part number H50268. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. It resists hydraulic fluids, propane and butane, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where polar solvents or ketones are present.
It sees regular use in automotive, general industrial maintenance, and hydraulic and pneumatic systems.
Order part number H50268, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -268 BLACK BUNA 50D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 8.484 inch (215.49 mm)
Actual Outside Diameter 8.762 inch (222.55 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity