The VITON75388 is an AS568-388 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 18.953 in (481.41 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 19.373 in (492.07 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
This material stands up to chlorinated solvents, aromatic hydrocarbons, and many acids. Viton® (FKM) is known for excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Exposure to hot water and steam or amines will shorten service life.
Maintenance and OEM teams specify it across high-temperature process equipment, automotive fuel systems, and chemical processing.
This item is sold individually under part number VITON75388. Unit weight is approximately 62.675 g and nominal inside diameter is listed as 19 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -388 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.210" (5.33MM) CS X 18.953" (481.41MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 18.953 inch (481.41 mm)
Actual_OD 19.373 inch (492.07 mm)
ProductCode Description O-Rings - Bulk - Commodity