This o-ring is supplied in AS568-370 black Buna-N (Nitrile) 50 Shore A built to an inside diameter of 8.225 in (208.92 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.645 in (219.58 mm), catalogued under part number H50370. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Expect good resistance to petroleum-based oils, water, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across construction equipment, automotive, and hydraulic and pneumatic systems.
H50370 ships individually. Nominal inside diameter is listed as 8 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -370 BLACK BUNA 50D O-RING
uf_description2 0.210" (5.33MM) CS X 8.225" (208.91MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 8.225 inch (208.92 mm)
Actual_OD 8.645 inch (219.58 mm)
ProductCode Description O-Rings - Bulk - Commodity