-433 BLACK BUNA 90D O-RING

Ordered as H90433, this is an AS568-433 black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 5.475 in (139.07 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.025 in (153.04 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is valued for strong abrasion and tear resistance, reliable performance in both static and dynamic service. It resists propane and butane, water, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

You will find this material specified across agricultural equipment, hydraulic and pneumatic systems, and construction equipment.

Order part number H90433, sold individually. Unit weight is approximately 24.542 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.