-321 BROWN FKM 90D O-RING

Part number VB90321 is an AS568-321 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 1.162 in (29.51 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.582 in (40.18 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Viton® (FKM) offers long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. The material holds up against engine and transmission fluids, aggressive chemicals, and chlorinated solvents. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C).

You will find this material specified across oil and gas, high-temperature process equipment, and semiconductor equipment.

Reference part number VB90321 when ordering; the item is sold individually. Unit weight is approximately 5.3297 g and nominal inside diameter is listed as 1 3/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.