MIL-S-6090A (AMENDMENT-1), MILITARY SPECIFICATION: STEELS USED IN AIRCRAFT CARBURIZING AND NITRIDING, PROCESS FOR (20 JUL 1972) [S/S BY SAE-AMS-S-6090]
MIL-S-6090A (AMENDMENT-1), MILITARY SPECIFICATION: STEELS USED IN AIRCRAFT CARBURIZING AND NITRIDING, PROCESS FOR (20 JUL 1972) [S/S BY SAE-AMS-S-6090].