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 6620-01-412-5514
NSN 6110-00-663-4054
NSN 5920-01-329-8577
NSN 5998-00-897-8680
NSN 5895-01-577-1594
NSN 5935-01-268-1071
NSN 6105-00-732-5445
NSN 5910-01-224-3023
NSN 6650-01-453-8594
NSN 5985-01-245-9982
NSN 5855-00-688-9954
NSN 5960-01-428-7300