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 6240-01-521-7867
NSN 6105-01-560-5867
NSN 5835-01-340-1604
NSN 5996-01-369-9209
NSN 5915-00-726-4700
NSN 5855-01-133-3587
NSN 5915-01-010-7637
NSN 5975-01-110-1246
NSN 6320-00-456-0836
NSN 5905-01-475-3734
NSN 5998-01-181-4376
NSN 5950-00-530-7273