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 6645-01-157-9080
NSN 6145-00-943-9549
NSN 5945-00-369-1465
NSN 7035-01-591-2766
NSN 6645-01-119-3496
NSN 6610-01-496-8799
NSN 6220-00-767-5080
NSN 5835-00-419-6576
NSN 5965-00-033-5928
NSN 6320-01-420-0340
NSN 5990-00-179-1871
NSN 4140-01-207-8528