-166 BROWN FKM 75D O-RING

Ordered as VB75166, this is an AS568-166 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 6.737 in (171.12 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.943 in (176.35 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Expect good resistance to aggressive chemicals, chlorinated solvents, and many acids. That behavior comes from the compound itself: Viton® (FKM) is specified for excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with hot water and steam or low-molecular-weight organic acids.

Common environments for this compound include automotive fuel systems, oil and gas, and high-temperature process equipment.

This item is sold individually under part number VB75166. Unit weight is approximately 5.9672 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.