New Process Fibre Company, Inc.
12655 North First Street
P.O. Box 2009
Greenwood, DE 19950
Toll Free: 800-497-4520 • Fax: 302-349-5730
Email: sales@newprocess.comWebsite: www.newprocess.com
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Flat-Washer-Schematic
Flat Washer Schematic
Unit of Measure
1 2 3 4 

Item #

Material

Outer Diameter

Inner Diameter

Thickness

WAO147 N/A Rubber N/A 1.400 Inch N/A 1.090 Inch N/A 0.045 Inch
WAO51 N/A Rubber N/A 0.748 Inch N/A 0.311 Inch N/A 0.079 Inch
WAO148 N/A Rubber N/A 2.020 Inch N/A 1.855 Inch N/A 0.045 Inch
WAO389 N/A Santoprene N/A 0.435 Inch N/A 0.200 Inch N/A 0.093 Inch
WAO467 N/A Silicone 50 + 5 N/A 1.500 Inch N/A 0.440 Inch N/A 0.031 Inch
WAO12 N/A Silicone Bonded Mica N/A 0.245 Inch N/A 0.031 Inch N/A 0.032 Inch
WAO379 N/A Silicone N/A 0.5 Inch N/A 0.255 Inch N/A 0.125 Inch
WAO517 N/A Silicone N/A 0.812 Inch N/A 0.406 Inch N/A 0.062 Inch
WAO487 N/A Silicone ZZR 765 CL2B 6 N/A 0.688 Inch N/A 0.290 Inch N/A 0.093 Inch
WAO384 N/A Urethane N/A 0.437 Inch N/A 0.155 Inch N/A 0.062 Inch
WAO318 N/A Urethane N/A 0.757 Inch0.763 Inch N/A 0.620 Inch0.626 Inch N/A 0.063 Inch
WAO528 N/A White Ethylene Propylene Diene Monomer (EPDM) N/A 0.575 Inch N/A 0.250 Inch N/A 0.125 Inch
WAO530 N/A Rubber N/A 0.575 Inch N/A 0.125 Inch N/A 0.125 Inch
Unit of Measure
1 2 3 4