-349 BLACK CHEMOURS VITON 75D O-RING

VITON75349 is an AS568-349 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 4.475 in (113.67 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.895 in (124.33 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments and industry benchmark where nitrile reaches its thermal limit. Expect good resistance to aromatic hydrocarbons, many acids, and aggressive chemicals. 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 low-molecular-weight organic acids.

Maintenance and OEM teams specify it across aerospace, semiconductor equipment, and high-temperature process equipment.

Order part number VITON75349, sold individually. Unit weight is approximately 15.236 g and nominal inside diameter is listed as 4 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.