Ordered as V70347, this is an AS568-347 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 4.225 in (107.32 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.645 in (117.98 mm). The 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 outstanding high-temperature capability, excellent resistance to compression set and permeation. It resists engine and transmission fluids, many acids, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where hot water and steam or ketones and esters are present.
It sees regular use in automotive fuel systems, high-temperature process equipment, and chemical processing.
Stocked as V70347 and sold individually. Unit weight is approximately 14.55 g. Check the compound against your process media, pressure and temperature before committing to a design.
Description -347 BLACK FKM 75D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 4.225 inch (107.32 mm)
Actual Outside Diameter 4.645 inch (117.98 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity