3.1MM CS X 69.4MM ID BLACK FKM 75D

Ordered as V3.1X69.4, this is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 69.4 mm (2.732 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 75.6 mm (2.98 in). The o-ring compresses into its gland to block fluid or gas migration across a joint. Additional detail on this item: Metric O-RING, JIS G70.

Viton® (FKM) is specified here for excellent resistance to compression set and permeation, industry benchmark where nitrile reaches its thermal limit. This material stands up to many acids, aromatic hydrocarbons, and petroleum oils and fuels. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in low-molecular-weight organic acids or amines.

It sees regular use in chemical processing, aerospace, and oil and gas.

Stocked as V3.1X69.4 and sold individually. Unit weight is approximately 3.2079 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.