MIL-P-83953A, MILITARY SPECIFICATION: PENCIL, AIRCRAFT MARKING (07-APR-1980) [NO S/S DOCUMENT]

MIL-P-83953A, MILITARY SPECIFICATION: PENCIL, AIRCRAFT MARKING (07-APR-1980) [NO S/S DOCUMENT]., This specification covers requirements for wood-cased, thick lead, non-mechanical pencils that will be used for marking aircraft surfaces.