8-016 BLACK BUNA 90D BACK-UP RING

Part number HB90016 is an AS568-016 black Buna-N (Nitrile) 90 Shore A Back-Up Ring measuring an inside diameter of 0.614 in (15.6 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.754 in (19.15 mm). A back-up ring allows a standard o-ring to operate at higher pressures than it could unsupported.

Expect good resistance to hydraulic fluids, petroleum-based oils, and many alcohols. Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving polar solvents or ketones call for a different compound.

It sees regular use in construction equipment, general industrial maintenance, and automotive.

HB90016 ships individually. Unit weight is approximately 0.115 g. Review your operating media and conditions against this specification before installation.