*4003-514AD MINNESOTA RUBBER QUAD RING

This quad-ring is supplied in AS568-003 black Viton® (FKM) 75 Shore A quad profile with an inside diameter of 0.056 in (1.42 mm), a cross section of 0.06 in (1.52 mm), and an outside diameter of 0.176 in (4.47 mm), catalogued under part number VQ4003. It seats in a standard o-ring gland while offering improved dynamic performance.

Viton® (FKM) is known for the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. The material holds up against many acids, chlorinated solvents, and engine and transmission fluids. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Applications involving amines or ketones and esters call for a different compound.

Maintenance and OEM teams specify it across chemical processing, aerospace, and semiconductor equipment.

Reference part number VQ4003 when ordering; the item is sold individually. Nominal inside diameter is listed as 1/16 inch. Review your operating media and conditions against this specification before installation.