A writing or marking medium whose basic ingredients are pigment and clay, or pigment and wax, for use in a mechanical pencil.
Classification: Pencil leads, black or colored
NSN 4140-01-289-1264
NSN 6145-01-049-2360
NSN 5990-00-467-7431
NSN 5990-01-612-5323
NSN 5990-01-097-4721
NSN 5990-01-348-2497
NSN 6650-01-495-8031
NSN 5975-01-544-3003
NSN 5975-01-338-8422
NSN 4140-01-409-1764
NSN 6135-01-110-3516
NSN 6620-00-245-6164