-311 BLACK FKM 75D O-RING

Ordered as V75311, this is an AS568-311 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 0.537 in (13.64 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 0.957 in (24.31 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Viton® (FKM) is valued for outstanding high-temperature capability, excellent resistance to compression set and permeation. This material stands up to 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 is not the right choice where ketones and esters or amines are present.

Typical settings include chemical processing, oil and gas, and semiconductor equipment.

Order part number V75311, sold individually. Nominal inside diameter is listed as 9/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.