APG stocks the H50176, an AS568-176 black Buna-N (Nitrile) 50 Shore A O-Ring measuring an inside diameter of 9.237 in (234.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.443 in (239.85 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Expect good resistance to propane and butane, many alcohols, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to automotive brake fluid or ketones will shorten service life.
Common environments for this compound include fluid power, construction equipment, and hydraulic and pneumatic systems.
This item is sold individually under part number H50176. Review your operating media and conditions against this specification before installation. 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 -176 BLACK BUNA 50D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 9.237 inch (234.62 mm)
Actual Outside Diameter 9.443 inch (239.85 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity