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 5965-00-942-1602
NSN 5999-01-522-4529
NSN 5996-01-428-5830
NSN 5990-00-068-4324
NSN 5990-00-730-6269
NSN 6105-00-227-1412
NSN 5975-01-538-1430
NSN 6145-01-031-2081
NSN 6685-01-271-9767
NSN 6130-01-304-6214
NSN 6220-00-354-8287
NSN 6150-00-121-1996