4.5MM CS X 66MM ID BLACK FKM 75D

Ordered as V4.5X66, this is a black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 66 mm (2.598 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 75 mm (2.95 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Viton® (FKM) is specified for excellent resistance to compression set and permeation, outstanding high-temperature capability. This material stands up to petroleum oils and fuels, many acids, and aggressive chemicals. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Exposure to amines or low-molecular-weight organic acids will shorten service life.

It sees regular use in automotive fuel systems, chemical processing, and aerospace.

This item is sold individually under part number V4.5X66. Unit weight is approximately 6.482 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.