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 6145-01-223-4916
NSN 6145-01-026-0030
NSN 6220-01-236-2785
NSN 6145-00-155-5297
NSN 6240-01-367-1925
NSN 5999-00-131-2363
NSN 5960-01-504-1892
NSN 2925-01-004-1683
NSN 2925-01-267-1598
NSN 4140-01-347-2623
NSN 7035-00-946-2642
NSN 6685-00-555-4198