1.78MM CS X 39.45MM ID BLACK FKM 75D

This o-ring is supplied in black Viton® (FKM) 75 Shore A measuring an inside diameter of 39.45 mm (1.553 in), a cross section of 1.78 mm (0.07 in), and an outside diameter of 43.01 mm (1.69 in), catalogued under part number V1.78X39.45. It compresses into its gland to block fluid or gas migration across a joint.

Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments and outstanding high-temperature capability. The compound resists aromatic hydrocarbons, chlorinated solvents, and petroleum oils and fuels. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with ketones and esters or low-molecular-weight organic acids.

Typical settings include semiconductor equipment, aerospace, and high-temperature process equipment.

Reference part number V1.78X39.45 when ordering; the item is sold individually. Unit weight is approximately 0.0006 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.