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 5950-01-459-9796
NSN 6320-00-504-1214
NSN 7035-01-422-4642
NSN 5915-01-660-9299
NSN 6610-00-934-1044
NSN 6650-01-204-2524
NSN 5945-01-121-5334
NSN 6145-01-388-9661
NSN 6610-00-314-2605
NSN 6130-00-549-2607
NSN 5905-01-327-5672
NSN 5895-00-486-0191