The H50274 is an AS568-274 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 9.984 in (253.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.262 in (260.65 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. This material stands up to water, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
It sees regular use in agricultural equipment, general industrial maintenance, and automotive.
Reference part number H50274 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -274 BLACK BUNA 50D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 9.984 inch (253.59 mm)
Actual Outside Diameter 10.262 inch (260.65 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity