-358 BLACK BUNA 90D O-RING

H90358 is an AS568-358 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 5.6 in (142.24 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.02 in (152.91 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is widely chosen for low compression set under sustained load, strong abrasion and tear resistance. The material holds up against petroleum-based oils, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across automotive, construction equipment, and fluid power.

H90358 ships individually. Unit weight is approximately 0.0135 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.