This o-ring is supplied in AS568-340 blue Viton® (FKM) 75 Shore A with an inside diameter of 3.35 in (85.09 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.77 in (95.76 mm), catalogued under part number V75MD340. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is specified here for excellent resistance to compression set and permeation, outstanding high-temperature capability. This material stands up to chlorinated solvents, petroleum oils and fuels, and many acids. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with hot water and steam or ketones and esters.
This item meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across oil and gas, automotive fuel systems, and aerospace.
Stocked as V75MD340 and sold individually. Nominal inside diameter is listed as 3 3/8 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -340 BLUE FKM 75D O-RING
uf_description2 METAL DETECTABLE, 0.210" (5.33MM) CS X 3.350" (85.09MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.35 inch (85.09 mm)
Actual_OD 3.77 inch (95.76 mm)
ProductCode Description O-Rings - FDA / Metal Detectable