Ordered as H50270, this is an AS568-270 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 8.984 in (228.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.262 in (235.25 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs and low compression set under sustained load. The compound resists many alcohols, petroleum-based oils, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include general industrial maintenance, construction equipment, and hydraulic and pneumatic systems.
Stocked as H50270 and sold individually. Nominal inside diameter is listed as 9 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -270 BLACK BUNA 50D O-RING
uf_description2 0.139" (3.53MM) CS X 8.984" (228.19MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 8.984 inch (228.19 mm)
Actual_OD 9.262 inch (235.25 mm)
ProductCode Description O-Rings - Bulk - Commodity