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 5855-01-316-3634
NSN 6145-01-447-2361
NSN 6645-01-464-8538
NSN 5930-01-547-5744
NSN 5998-01-446-6916
NSN 6685-00-114-8787
NSN 6320-00-845-3261
NSN 5895-00-619-7939
NSN 6145-00-724-5142
NSN 5985-01-298-6350
NSN 5965-01-633-8849
NSN 6130-00-250-5964