Ordered as V75MD339, this is an AS568-339 blue Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 3.225 in (81.92 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.645 in (92.58 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Viton® (FKM) is specified here for excellent resistance to compression set and permeation, outstanding high-temperature capability. Expect good resistance to petroleum oils and fuels, aggressive chemicals, and aromatic hydrocarbons. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It should not be specified for service in hot water and steam or ketones and esters.
The compound meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. It sees regular use in high-temperature process equipment, semiconductor equipment, and chemical processing.
This item is sold individually under part number V75MD339. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -339 BLUE FKM 75D O-RING
uf_description2 METAL DETECTABLE, 0.210" (5.33MM) CS X 3.225" (81.92MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.225 inch (81.92 mm)
Actual_OD 3.645 inch (92.58 mm)
ProductCode Description O-Rings - FDA / Metal Detectable