-421 BLACK CHEMOURS VITON 75D O-RING

APG stocks the VITON75421, an AS568-421 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 3.975 in (100.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.525 in (114.94 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

The material holds up against petroleum oils and fuels, aromatic hydrocarbons, and aggressive chemicals. Viton® (FKM) delivers the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Exposure to amines or ketones and esters will shorten service life.

Typical settings include chemical processing, semiconductor equipment, and oil and gas.

Reference part number VITON75421 when ordering; the item is sold individually. Unit weight is approximately 23.29 g and nominal inside diameter is listed as 4 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.