MIL-S-18729C (NOTICE 1), MILITARY SPECIFICATION, STEEL PLATE, SHEET, AND STRIP, ALLOY, 4130, AIRCRAFT QUALITY (9 MAY 1997) [S/S BY SAE-AMS6350, SAE-AMS6351 OR SAE-AMS6345]

MIL-S-18729C (NOTICE 1), MILITARY SPECIFICATION, STEEL PLATE, SHEET, AND STRIP, ALLOY, 4130, AIRCRAFT QUALITY (9 MAY 1997) [S/S BY SAE-AMS6350, SAE-AMS6351 OR SAE-AMS6345].