This o-ring is supplied in AS568-279 black Viton® (FKM) 75 Shore A built to an inside diameter of 12.984 in (329.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 13.262 in (336.85 mm), catalogued under part number V70279. It remains the most cost-effective sealing element available for pressurized assemblies.
Viton® (FKM) offers outstanding high-temperature capability, excellent resistance to compression set and permeation. This material stands up to petroleum oils and fuels, chlorinated solvents, and engine and transmission fluids. 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.
Maintenance and OEM teams specify it across chemical processing, aerospace, and high-temperature process equipment.
Order part number V70279, sold individually. Unit weight is approximately 18.661 g and nominal inside diameter is listed as 13 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -279 BLACK FKM 75D O-RING
uf_description2 0.139" (3.53MM) CS X 12.984" (329.79MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 12.984 inch (329.79 mm)
Actual_OD 13.262 inch (336.85 mm)
ProductCode Description O-Rings - Bulk - Commodity