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 5975-01-190-6917
NSN 6645-00-363-9775
NSN 6105-00-998-4679
NSN 6685-00-515-6522
NSN 5895-01-641-3993
NSN 5975-00-479-3032
NSN 5975-00-004-9431
NSN 5930-01-297-4393
NSN 5965-01-397-8389
NSN 6130-01-183-4920
NSN 7035-01-106-0366
NSN 6220-01-384-2827