-259 BROWN FKM 75D O-RING

Part number VB75259 is an AS568-259 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 6.234 in (158.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 6.512 in (165.4 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) offers outstanding high-temperature capability, excellent resistance to compression set and permeation. Expect good resistance to engine and transmission fluids, chlorinated solvents, and aggressive chemicals. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Exposure to ketones and esters or hot water and steam will shorten service life.

You will find this material specified across chemical processing, semiconductor equipment, and oil and gas.

This item is sold individually under part number VB75259. Unit weight is approximately 10.163 g and nominal inside diameter is listed as 6 1/4 inch. 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.