MIL-T-50009A (NOTICE 1), MILITARY SPECIFICATION: THICKENER, INCENDIARY OIL, M4 (05 JUN 1996) [NO S/S DOCUMENT]., This notice should be filed in front of MIL-T-50009A(AR), dated 18 August 1960. MIL-T-50009A(AR), dated 18 August 1960 is inactive for new design and is no longer used,except for replacement purposes.