5.7MM CS X 259.3MM ID BLACK FKM 75D

V5.7X259.3 is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 259.3 mm (10.209 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 270.7 mm (10.66 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: Metric O-RING, JIS G260.

The material holds up against aggressive chemicals, engine and transmission fluids, and aromatic hydrocarbons. That behavior comes from the compound itself: Viton® (FKM) is known for long service life in hot, chemically aggressive environments and outstanding high-temperature capability. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It is not the right choice where amines or low-molecular-weight organic acids are present.

Maintenance and OEM teams specify it across semiconductor equipment, chemical processing, and high-temperature process equipment.

V5.7X259.3 ships individually. Unit weight is approximately 39.385 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.