-424 BLACK BUNA 70D O-RING

H70424 is an AS568-424 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.35 in (110.49 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.9 in (124.46 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. It resists many alcohols, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Common environments for this compound include general industrial maintenance, fluid power, and construction equipment.

This item is sold individually under part number H70424. Unit weight is approximately 17.016 g and nominal inside diameter is listed as 4 3/8 inch. Review your operating media and conditions against this specification before installation.