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 6650-00-801-8298
NSN 6645-00-796-7206
NSN 5960-01-249-4550
NSN 5945-01-511-6656
NSN 6145-00-019-0047
NSN 5895-01-514-0010
NSN 6685-01-608-5596
NSN 6150-01-555-8477
NSN 5905-01-258-3670
NSN 2925-01-376-9236
NSN 5996-01-193-5974
NSN 5905-01-225-6795