3MM CS X 66MM ID BLACK FKM 75D

Ordered as V3X66, this is a black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 66 mm (2.598 in), a cross section of 3 mm (0.118 in), and an outside diameter of 72 mm (2.83 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to chlorinated solvents, aggressive chemicals, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) is valued for long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. The material carries a published service range of -15°F (-26.1°C) to 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 automotive fuel systems, oil and gas, and high-temperature process equipment.

Order part number V3X66, sold individually. Unit weight is approximately 2.8547 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.