This o-ring is supplied in black Viton® (FKM) 75 Shore A built to an inside diameter of 79 mm (3.11 in), a cross section of 1.78 mm (0.07 in), and an outside diameter of 82.56 mm (3.25 in), catalogued under part number V1.78X79. It delivers dependable bidirectional sealing in a compact groove envelope.
Viton® (FKM) is specified for excellent resistance to compression set and permeation, very low compression set at elevated temperature. This material stands up to engine and transmission fluids, aggressive chemicals, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or hot water and steam.
Typical settings include oil and gas, high-temperature process equipment, and automotive fuel systems.
Order part number V1.78X79, sold individually. Unit weight is approximately 1.1608 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description 1.78MM CS X 79MM ID BLACK FKM 75D
Actual Outside Diameter 82.56 mm (3.25 inch)
Actual Cross Section 1.78 mm (0.07 inch)
Actual Inside Diameter 79 mm (3.11 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity