4039-514AD MINNESOTA RUBBER QUAD RING

Part number VQ4039 is an AS568-039 black Viton® (FKM) 75 Shore A quad profile Quad-Ring built to an inside diameter of 2.739 in (69.57 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.879 in (73.13 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.

The material holds up against aromatic hydrocarbons, engine and transmission fluids, and petroleum oils and fuels. Viton® (FKM) is widely chosen for excellent resistance to compression set and permeation, the industry benchmark where nitrile reaches its thermal limit. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in hot water and steam or ketones and esters.

Typical settings include oil and gas, automotive fuel systems, and aerospace.

This item is sold individually under part number VQ4039. Nominal inside diameter is listed as 2 3/4. Check the compound against your process media, pressure and temperature before committing to a design.