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 6130-01-390-2061
NSN 6650-00-937-9496
NSN 5920-01-494-8710
NSN 6150-01-294-9222
NSN 5960-01-346-3377
NSN 6645-00-770-3742
NSN 6685-01-286-1927
NSN 6105-01-441-9312
NSN 6685-01-538-3971
NSN 6135-00-057-2005
NSN 7035-01-649-3339
NSN 5945-01-480-2722