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 5960-00-468-5353
NSN 6650-01-069-4241
NSN 6145-01-170-6398
NSN 5925-00-186-8669
NSN 7035-01-478-5922
NSN 5965-01-513-9978
NSN 6110-01-310-8983
NSN 6135-00-900-2139
NSN 6685-01-029-3773
NSN 5998-01-363-7557
NSN 5945-00-691-5733
NSN 5925-01-105-8095