-021 BLACK BUNA 90D O-RING

This o-ring is supplied in AS568-021 black Buna-N (Nitrile) 90 Shore A supplied with an inside diameter of 0.926 in (23.52 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.066 in (27.08 mm), catalogued under part number H90021. It remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs and low compression set under sustained load. The material holds up against many alcohols, hydraulic fluids, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving polar solvents or ozone and direct sunlight call for a different compound.

Typical settings include general industrial maintenance, fluid power, and construction equipment.

Reference part number H90021 when ordering; the item is sold individually. Unit weight is approximately 0.2673 g. Review your operating media and conditions against this specification before installation.