-909 BLACK BUNA 90D O-RING

Part number H90909 is an AS568-909 black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 0.706 in (17.93 mm), a cross section of 0.097 in (2.46 mm), and an outside diameter of 0.9 in (22.86 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is known for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to petroleum-based oils, water, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across automotive, construction equipment, and agricultural equipment.

Stocked as H90909 and sold individually. Unit weight is approximately 0.407 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.