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 6145-01-291-3536
NSN 5945-00-139-4392
NSN 5945-01-491-0173
NSN 6685-00-796-1510
NSN 5895-00-587-7406
NSN 5996-00-779-0835
NSN 5965-01-419-8200
NSN 5925-01-084-9972
NSN 5999-00-664-1818
NSN 6320-01-592-6248
NSN 5905-01-055-6277
NSN 6240-00-393-1161