-120 BLACK FKM 90D O-RING

APG stocks the V90120, an AS568-120 black Viton® (FKM) 90 Shore A O-Ring measuring an inside diameter of 0.987 in (25.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.193 in (30.3 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The material holds up against engine and transmission fluids, aromatic hydrocarbons, and chlorinated solvents. Viton® (FKM) delivers long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or amines.

Maintenance and OEM teams specify it across high-temperature process equipment, oil and gas, and chemical processing.

Order part number V90120, sold individually. Unit weight is approximately 0.899 g and nominal inside diameter is listed as 1 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.