4MM CS X 77MM ID BLACK FKM 75D

Ordered as V4X77, this is a black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 77 mm (3.031 in), a cross section of 4 mm (0.157 in), and an outside diameter of 85 mm (3.35 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to aromatic hydrocarbons, many acids, and aggressive chemicals. That behavior comes from the compound itself: Viton® (FKM) offers long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or low-molecular-weight organic acids.

Common environments for this compound include chemical processing, oil and gas, and semiconductor equipment.

Stocked as V4X77 and sold individually. Unit weight is approximately 5.837 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.