-273 BLACK BUNA 90D O-RING

H90273 is an AS568-273 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 9.734 in (247.24 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.012 in (254.3 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. The compound resists water, petroleum-based oils, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or ozone and direct sunlight are present.

It sees regular use in construction equipment, agricultural equipment, and automotive.

This item is sold individually under part number H90273. Unit weight is approximately 10.806 g and nominal inside diameter is listed as 9 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.