Part number V70469 is an AS568-469 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 19.955 in (506.86 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 20.505 in (520.83 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. The compound resists many acids, petroleum oils and fuels, and aromatic hydrocarbons. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It is not the right choice where hot water and steam or amines are present.
It sees regular use in automotive fuel systems, chemical processing, and aerospace.
Order part number V70469, sold individually. Unit weight is approximately 113.16 g and nominal inside diameter is listed as 20 inch. Check the compound against your process media, pressure and temperature before committing to a design.
Description -469 BLACK FKM 75D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 19.955 inch (506.86 mm)
Actual Outside Diameter 20.505 inch (520.83 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity