1.5MM CS X 21MM ID BLACK FKM 75D

This o-ring is supplied in black Viton® (FKM) 75 Shore A built to an inside diameter of 21 mm (0.827 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 24 mm (0.94 in), catalogued under part number V1.5X21. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

It resists many acids, engine and transmission fluids, and aggressive chemicals. That behavior comes from the compound itself: Viton® (FKM) offers very low compression set at elevated temperature and 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 ketones and esters or low-molecular-weight organic acids.

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

Stocked as V1.5X21 and sold individually. Unit weight is approximately 0.2269 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.