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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 6220-01-516-9214
NSN 7035-01-572-1045
NSN 2925-00-343-3235
NSN 6105-01-111-4344
NSN 5930-01-338-3082
NSN 5855-01-414-6265
NSN 6110-01-142-6800
NSN 6320-00-572-0950
NSN 6150-01-564-4355
NSN 6320-00-270-8222
NSN 6150-00-971-2116
NSN 5950-00-649-9070