V70420 is an AS568-420 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Viton® (FKM) is known for excellent resistance to compression set and permeation, very low compression set at elevated temperature. Expect good resistance to aromatic hydrocarbons, engine and transmission fluids, and chlorinated solvents. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in ketones and esters or hot water and steam.
Common environments for this compound include semiconductor equipment, aerospace, and chemical processing.
V70420 ships individually. Unit weight is approximately 23.35 g. 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.
description -420 BLACK FKM 75D O-RING
uf_description2 0.275" (6.99MM) CS X 3.850" (97.79MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 3.85 inch (97.79 mm)
Actual_OD 4.4 inch (111.76 mm)
ProductCode Description O-Rings - Bulk - Commodity