-121 BLUE FKM 75D O-RING

This o-ring is supplied in AS568-121 blue Viton® (FKM) 75 Shore A supplied with an inside diameter of 1.049 in (26.64 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.255 in (31.88 mm), catalogued under part number V75MD121. It creates a positive seal at flange, piston and rod interfaces without added hardware.

Viton® (FKM) delivers excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. The material holds up against petroleum oils and fuels, engine and transmission fluids, and many acids. Continuous operating temperature is published at -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.

The compound meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. Typical settings include high-temperature process equipment, automotive fuel systems, and aerospace.

Order part number V75MD121, sold individually. Nominal inside diameter is listed as 1 1/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.