5.7MM CS X 249.3MM ID BLACK FKM 75D

The V5.7X249.3 is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 249.3 mm (9.815 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 260.7 mm (10.26 in). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: Metric O-RING, JIS G250.

As a material, Viton® (FKM) is known for the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. The compound resists chlorinated solvents, aggressive chemicals, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

Common environments for this compound include oil and gas, automotive fuel systems, and chemical processing.

Reference part number V5.7X249.3 when ordering; the item is sold individually. Unit weight is approximately 37.223 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.