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 6105-01-581-4009
NSN 5925-01-246-4520
NSN 2925-01-484-8556
NSN 6220-01-415-1541
NSN 5950-01-257-5674
NSN 5999-01-419-7818
NSN 6240-01-414-3873
NSN 5990-00-644-3365
NSN 7035-00-631-3782
NSN 5925-01-159-7595
NSN 6610-01-218-6246
NSN 5835-00-168-9623