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 5910-00-243-2218
NSN 6685-01-425-1191
NSN 6610-01-527-1793
NSN 6645-01-330-3671
NSN 6320-01-415-0953
NSN 6320-01-173-7950
NSN 5945-00-979-5479
NSN 5990-00-767-0893
NSN 6220-00-887-0588
NSN 5920-01-458-8075
NSN 5975-01-182-1087
NSN 5910-00-705-9414