MIL-S-6090A (NOTICE 3), MILITARY SPECIFICATION: STEELS USED IN AIRCRAFT CARBURIZING AND NITRIDING, PROCESS FOR (20 AUG 1998) [S/S BY SAE-AMS-S-6090]., MIL-S-6090A, dated 4 June 1971, and Amendment 2 dated 20 July 1972, is herebycanceled. Users may refer to SAE-AMS-S-6090, "Steel Carburizing and Nitriding,Processes for? as a possible replacement, Users are cautioned to evaluate AMS-S-6090for their particular application before citing it as a replacement document.