Ordered as VITON75178, this is an AS568-178 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 9.737 in (247.32 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.943 in (252.55 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Viton® (FKM) delivers excellent resistance to compression set and permeation, outstanding high-temperature capability. It resists many acids, aggressive chemicals, and chlorinated solvents. 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 low-molecular-weight organic acids are present.
Common environments for this compound include semiconductor equipment, aerospace, and automotive fuel systems.
VITON75178 ships individually. Unit weight is approximately 7.579 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -178 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 9.737 inch (247.32 mm)
Actual Outside Diameter 9.943 inch (252.55 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity