-221 BLACK CHEMOURS VITON 75D O-RING

The VITON75221 is an AS568-221 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 1.421 in (36.09 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.699 in (43.15 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists petroleum oils and fuels, aggressive chemicals, and aromatic hydrocarbons. That behavior comes from the compound itself: Viton® (FKM) is known for outstanding high-temperature capability and long service life in hot, chemically aggressive environments. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or amines call for a different compound.

Common environments for this compound include chemical processing, semiconductor equipment, and aerospace.

VITON75221 ships individually. Unit weight is approximately 2.2611 g and nominal inside diameter is listed as 1 7/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.