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 5996-00-008-3266
NSN 6220-01-565-8177
NSN 6135-01-478-9316
NSN 2925-00-373-8837
NSN 6620-01-454-8926
NSN 5975-01-422-4710
NSN 5945-00-945-2408
NSN 5985-01-634-0635
NSN 5935-01-607-1767
NSN 5965-00-113-9748
NSN 6150-01-218-4213
NSN 5915-01-044-2382