A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 5965-01-633-8849
NSN 6645-01-228-8380
NSN 5950-01-329-7871
NSN 6220-01-009-8329
NSN 6645-01-647-0509
NSN 6240-01-603-0143
NSN 5996-01-218-5678
NSN 5905-01-465-9587
NSN 5950-01-008-6455
NSN 5945-01-403-2800
NSN 6645-00-225-2742
NSN 6645-01-372-9464