4MM CS X 72MM ID BLACK FKM 75D

This o-ring is supplied in black Viton® (FKM) 75 Shore A supplied with an inside diameter of 72 mm (2.835 in), a cross section of 4 mm (0.157 in), and an outside diameter of 80 mm (3.15 in), catalogued under part number V4X72. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) is specified here for industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. It resists aggressive chemicals, petroleum oils and fuels, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with hot water and steam or low-molecular-weight organic acids.

Maintenance and OEM teams specify it across semiconductor equipment, high-temperature process equipment, and chemical processing.

V4X72 ships individually. Unit weight is approximately 5.5855 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.