Viton 75-245-Black-Pk5

Ordered as SB-V70245-5, this is an AS568-245 black Viton® (FKM) 70 Shore A O-Ring built to an inside diameter of 4.359 in (110.72 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.637 in (117.78 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. The catalog record notes: 0.139CSX4.359"IDX4.637"OD.

Viton® (FKM) is specified here for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. The compound resists aggressive chemicals, engine and transmission fluids, and chlorinated solvents. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where hot water and steam or amines are present.

You will find this material specified across semiconductor equipment, high-temperature process equipment, and chemical processing.

Reference part number SB-V70245-5 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 4 3/8 inch. Review your operating media and conditions against this specification before installation.