3MM CS X 129.5MM ID BLACK FKM 75D

Ordered as V3X129.5, this is a black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 129.5 mm (5.098 in), a cross section of 3 mm (0.118 in), and an outside diameter of 135.5 mm (5.33 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Viton® (FKM) is known for long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. It resists engine and transmission fluids, petroleum oils and fuels, and chlorinated solvents. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving hot water and steam or ketones and esters call for a different compound.

Typical settings include high-temperature process equipment, chemical processing, and automotive fuel systems.

Stocked as V3X129.5 and sold individually. Unit weight is approximately 5.4389 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.