-050 BLACK BUNA 90D O-RING

Ordered as H90050, this is an AS568-050 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 5.239 in (133.07 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 5.379 in (136.63 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Expect good resistance to water, propane and butane, and hydraulic fluids. Buna-N (Nitrile) is known for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or strong acids.

Maintenance and OEM teams specify it across construction equipment, hydraulic and pneumatic systems, and agricultural equipment.

This item is sold individually under part number H90050. Unit weight is approximately 1.4247 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.