-340 BLACK FKM 75D O-RING

APG stocks the V70340, an AS568-340 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 3.35 in (85.09 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.77 in (95.76 mm). An o-ring 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, outstanding high-temperature capability. The compound resists petroleum oils and fuels, aggressive chemicals, and chlorinated solvents. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It should not be specified for service in ketones and esters or amines.

You will find this material specified across chemical processing, aerospace, and automotive fuel systems.

Order part number V70340, sold individually. Unit weight is approximately 11.85 g and nominal inside diameter is listed as 3 3/8 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.