V70439 is an AS568-439 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 6.475 in (164.47 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.025 in (178.44 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Viton® (FKM) is widely chosen for outstanding high-temperature capability and long service life in hot, chemically aggressive environments. This material stands up to many acids, chlorinated solvents, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).
It sees regular use in aerospace, oil and gas, and automotive fuel systems.
Stocked as V70439 and sold individually. Unit weight is approximately 38.05 g and nominal inside diameter is listed as 6 1/2 inch. Review your operating media and conditions against this specification before installation.
Description -439 BLACK FKM 75D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 6.475 inch (164.47 mm)
Actual Outside Diameter 7.025 inch (178.44 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity