Part number V2.5X81 is a black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 81 mm (3.189 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 86 mm (3.39 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature. This material stands up to aggressive chemicals, engine and transmission fluids, and chlorinated solvents. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in hot water and steam or amines.
You will find this material specified across aerospace, high-temperature process equipment, and automotive fuel systems.
This item is sold individually under part number V2.5X81. Unit weight is approximately 2.3696 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description 2.5MM CS X 81MM ID BLACK FKM 75D
Actual Outside Diameter 86 mm (3.39 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 81 mm (3.189 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity