-346 BLACK CHEMOURS VITON 75D O-RING

This o-ring is supplied in AS568-346 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 4.1 in (104.14 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.52 in (114.81 mm), catalogued under part number VITON75346. It delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to petroleum oils and fuels, chlorinated solvents, and many acids. That behavior comes from the compound itself: Viton® (FKM) is widely chosen for long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or ketones and esters.

Maintenance and OEM teams specify it across aerospace, automotive fuel systems, and high-temperature process equipment.

VITON75346 ships individually. Unit weight is approximately 14.038 g and nominal inside diameter is listed as 4 1/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.