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 6650-01-181-6037
NSN 5975-01-162-4075
NSN 5975-01-415-5771
NSN 6645-01-123-9277
NSN 5999-00-580-1876
NSN 5996-01-327-6853
NSN 5930-00-409-0785
NSN 5975-00-197-6515
NSN 6610-01-629-4140
NSN 5905-01-165-8605
NSN 5895-01-039-6069
NSN 6320-01-137-2076