3MM CS X 21MM ID BLACK FKM 75D

Part number V3X21 is a black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 21 mm (0.827 in), a cross section of 3 mm (0.118 in), and an outside diameter of 27 mm (1.06 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) is specified here for outstanding high-temperature capability and very low compression set at elevated temperature. Expect good resistance to aggressive chemicals, chlorinated solvents, and many acids. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Verify compatibility before use with ketones and esters or amines.

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

Order part number V3X21, sold individually. Unit weight is approximately 0.9826 g. Review your operating media and conditions against this specification before installation.