-164 BLACK BUNA 90D O-RING

This o-ring is supplied in AS568-164 black Buna-N (Nitrile) 90 Shore A supplied with an inside diameter of 6.237 in (158.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.443 in (163.65 mm), catalogued under part number H90164. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, most widely specified general-purpose sealing elastomer. The material holds up against greases and lubricants, hydraulic fluids, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.

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

Stocked as H90164 and sold individually. Unit weight is approximately 3.8317 g and nominal inside diameter is listed as 6 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.