This o-ring is supplied in AS568-322 black Viton® (FKM) 75 Shore A built to an inside diameter of 1.225 in (31.12 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.645 in (41.78 mm), catalogued under part number V75322. It compresses into its gland to block fluid or gas migration across a joint.
Viton® (FKM) is widely chosen for long service life in hot, chemically aggressive environments and outstanding high-temperature capability. Expect good resistance to engine and transmission fluids, many acids, and petroleum oils and fuels. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Applications involving low-molecular-weight organic acids or amines call for a different compound.
It sees regular use in aerospace, oil and gas, and chemical processing.
This item is sold individually under part number V75322. Nominal inside diameter is listed as 1 1/4 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -322 BLACK FKM 75D O-RING
uf_description2 0.210" (5.33MM) CS X 1.225" (31.12MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.225 inch (31.12 mm)
Actual_OD 1.645 inch (41.78 mm)
ProductCode Description O-Rings - Bulk - Commodity