-155 BROWN FKM 90D O-RING

This o-ring is supplied in AS568-155 brown Viton® (FKM) 90 Shore A measuring an inside diameter of 3.987 in (101.27 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.193 in (106.5 mm), catalogued under part number VB90155. It delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists chlorinated solvents, petroleum oils and fuels, and engine and transmission fluids. Viton® (FKM) is known for outstanding high-temperature capability and long service life in hot, chemically aggressive environments. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where low-molecular-weight organic acids or hot water and steam are present.

You will find this material specified across aerospace, automotive fuel systems, and semiconductor equipment.

VB90155 ships individually. Review your operating media and conditions against this specification before installation. 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.