-359 BROWN FKM 90D O-RING

The VB90359 is an AS568-359 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 5.725 in (145.42 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.145 in (156.08 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists many acids, aromatic hydrocarbons, and chlorinated solvents. Viton® (FKM) delivers outstanding high-temperature capability and the industry benchmark where nitrile reaches its thermal limit. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or amines.

Maintenance and OEM teams specify it across chemical processing, aerospace, and semiconductor equipment.

Stocked as VB90359 and sold individually. Nominal inside diameter is listed as 5 3/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.