-177 BROWN FKM 90D O-RING

This o-ring is supplied in AS568-177 brown Viton® (FKM) 90 Shore A with an inside diameter of 9.487 in (240.97 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.693 in (246.2 mm), catalogued under part number VB90177. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Viton® (FKM) is specified here for excellent resistance to compression set and permeation, industry benchmark where nitrile reaches its thermal limit. It resists engine and transmission fluids, petroleum oils and fuels, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

You will find this material specified across semiconductor equipment, chemical processing, and aerospace.

Stocked as VB90177 and sold individually. Nominal inside diameter is listed as 9 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.