-359 BLACK FKM 75D O-RING

V70359 is an AS568-359 black Viton® (FKM) 75 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). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists aromatic hydrocarbons, petroleum oils and fuels, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) is valued for outstanding high-temperature capability, excellent resistance to compression set and permeation. The material carries a published service range of -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 aerospace, oil and gas, and high-temperature process equipment.

Order part number V70359, sold individually. Unit weight is approximately 19.432 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.