This o-ring is supplied in AS568-372 black Viton® (FKM) 90 Shore A measuring an inside diameter of 8.725 in (221.62 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 9.145 in (232.28 mm), catalogued under part number V90372. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to aromatic hydrocarbons, aggressive chemicals, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) delivers long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).
Common environments for this compound include semiconductor equipment, high-temperature process equipment, and chemical processing.
This item is sold individually under part number V90372. Unit weight is approximately 28.62 g and nominal inside diameter is listed as 8 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -372 BLACK FKM 90D O-RING
uf_description2 0.210" (5.33MM) CS X 8.725" (221.62MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 8.725 inch (221.62 mm)
Actual_OD 9.145 inch (232.28 mm)
ProductCode Description O-Rings - Bulk - Commodity