-436 BLACK BUNA 90D O-RING

H90436 is an AS568-436 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 5.85 in (148.59 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.4 in (162.56 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. It resists greases and lubricants, water, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where automotive brake fluid or ozone and direct sunlight are present.

You will find this material specified across construction equipment, automotive, and general industrial maintenance.

Order part number H90436, sold individually. Unit weight is approximately 26.291 g and nominal inside diameter is listed as 5 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.