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 5905-00-947-6695
NSN 5999-01-350-3648
NSN 5996-01-626-3598
NSN 5935-01-634-0668
NSN 5920-01-029-3813
NSN 5975-01-418-6100
NSN 6220-01-183-5378
NSN 5925-01-035-6166
NSN 6150-01-061-8779
NSN 5996-01-587-5711
NSN 6610-01-533-2935
NSN 5935-00-946-0254