This o-ring is supplied in AS568-261 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm), catalogued under part number VITON75261. It remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Viton® (FKM) offers outstanding high-temperature capability and long service life in hot, chemically aggressive environments. Expect good resistance to petroleum oils and fuels, many acids, and chlorinated solvents. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or hot water and steam.
Maintenance and OEM teams specify it across chemical processing, high-temperature process equipment, and automotive fuel systems.
Order part number VITON75261, sold individually. Unit weight is approximately 9.906 g and nominal inside diameter is listed as 6 3/4 inch. Review your operating media and conditions against this specification before installation.
Description -261 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 6.734 inch (171.04 mm)
Actual Outside Diameter 7.012 inch (178.1 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity