APG stocks the VITON75470, an AS568-470 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 20.955 in (532.26 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 21.505 in (546.23 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Viton® (FKM) is specified for outstanding high-temperature capability and the industry benchmark where nitrile reaches its thermal limit. The compound resists aggressive chemicals, chlorinated solvents, and aromatic hydrocarbons. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Applications involving low-molecular-weight organic acids or ketones and esters call for a different compound.
It sees regular use in chemical processing, aerospace, and automotive fuel systems.
This item is sold individually under part number VITON75470. Unit weight is approximately 119.25 g and nominal inside diameter is listed as 21 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -470 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.275" (6.99MM) CS X 20.955" (532.26MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 20.955 inch (532.26 mm)
Actual_OD 21.505 inch (546.23 mm)
ProductCode Description O-Rings - Bulk - Commodity