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 6220-01-003-2841
NSN 5950-00-808-3079
NSN 6130-00-979-5923
NSN 6150-01-027-1126
NSN 6645-01-010-3746
NSN 5945-01-386-3208
NSN 2925-01-408-6205
NSN 5935-00-581-7520
NSN 6135-00-932-3136
NSN 6130-01-068-6921
NSN 7035-01-150-6303
NSN 6220-00-171-8638