This o-ring is supplied in AS568-169 black Buna-N (Nitrile) 50 Shore A with an inside diameter of 7.487 in (190.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.693 in (195.4 mm), catalogued under part number H50169. It remains the most cost-effective sealing element available for pressurized assemblies.
It resists greases and lubricants, water, and many alcohols. That behavior comes from the compound itself: Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Typical settings include fluid power, general industrial maintenance, and hydraulic and pneumatic systems.
Reference part number H50169 when ordering; the item is sold individually. Nominal inside diameter is listed as 7 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -169 BLACK BUNA 50D O-RING
uf_description2 0.103" (2.62MM) CS X 7.487" (190.17MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 7.487 inch (190.17 mm)
Actual_OD 7.693 inch (195.4 mm)
ProductCode Description O-Rings - Bulk - Commodity