This o-ring is supplied in AS568-223 black Buna-N (Nitrile) 50 Shore A with an inside diameter of 1.609 in (40.87 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.887 in (47.93 mm), catalogued under part number H50223. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, low compression set under sustained load. It resists propane and butane, water, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving automotive brake fluid or strong acids call for a different compound.
Common environments for this compound include hydraulic and pneumatic systems, automotive, and general industrial maintenance.
This item is sold individually under part number H50223. Unit weight is approximately 0.0017 g and nominal inside diameter is listed as 1 5/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -223 BLACK BUNA 50D O-RING
uf_description2 0.139" (3.53MM) CS X 1.609" (40.87MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.609 inch (40.87 mm)
Actual_OD 1.887 inch (47.93 mm)
ProductCode Description O-Rings - Bulk - Commodity