APG stocks the VB90203, an AS568-203 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 0.296 in (7.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.574 in (14.58 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Viton® (FKM) is specified for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. The material holds up against chlorinated solvents, many acids, and engine and transmission fluids. 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.
You will find this material specified across semiconductor equipment, automotive fuel systems, and high-temperature process equipment.
This item is sold individually under part number VB90203. Nominal inside diameter is listed as 5/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -203 BROWN FKM 90D O-RING
uf_description2 0.139" (3.53MM) CS X 0.296" (7.52MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.296 inch (7.52 mm)
Actual_OD 0.574 inch (14.58 mm)
ProductCode Description O-Rings - Bulk - Commodity