APG stocks the VITON75249, an AS568-249 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 4.859 in (123.42 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.137 in (130.48 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
It resists chlorinated solvents, aromatic hydrocarbons, and petroleum oils and fuels. Viton® (FKM) is known for the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. The material carries a published service range of -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.
Common environments for this compound include chemical processing, oil and gas, and aerospace.
Order part number VITON75249, sold individually. Unit weight is approximately 7.217 g and nominal inside diameter is listed as 4 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -249 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 4.859 inch (123.42 mm)
Actual Outside Diameter 5.137 inch (130.48 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity