This o-ring is supplied in AS568-201 black Buna-N (Nitrile) 50 Shore A supplied with an inside diameter of 0.171 in (4.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.449 in (11.4 mm), catalogued under part number H50201. 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 specified for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The compound resists many alcohols, water, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
You will find this material specified across agricultural equipment, automotive, and construction equipment.
Stocked as H50201 and sold individually. Nominal inside diameter is listed as 3/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -201 BLACK BUNA 50D O-RING
uf_description2 0.139" (3.53MM) CS X 0.171" (4.34MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.171 inch (4.34 mm)
Actual_OD 0.449 inch (11.4 mm)
ProductCode Description O-Rings - Bulk - Commodity