-435 BLACK BUNA 90D O-RING

APG stocks the H90435, an AS568-435 black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 5.725 in (145.42 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.275 in (159.39 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to many alcohols, hydraulic fluids, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or polar solvents.

It sees regular use in hydraulic and pneumatic systems, general industrial maintenance, and construction equipment.

Stocked as H90435 and sold individually. Unit weight is approximately 23.61 g and nominal inside diameter is listed as 5 3/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.