4MM CS X 120MM ID BLACK FKM 75D

APG stocks the V4X120, a black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 120 mm (4.724 in), a cross section of 4 mm (0.157 in), and an outside diameter of 128 mm (5.04 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The material holds up against aggressive chemicals, chlorinated solvents, and petroleum oils and fuels. Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C).

It sees regular use in high-temperature process equipment, aerospace, and semiconductor equipment.

Reference part number V4X120 when ordering; the item is sold individually. Unit weight is approximately 8.8917 g. Check the compound against your process media, pressure and temperature before committing to a design. 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.