MIL-S-8503B (AMENDMENT-1), MILITARY SPECIFICATION: STEEL BARS, CHROME-VANADIUM (6150) (AIRCRAFT QUALITY) (ASG) (06-JUN-1963) [S/S BY SAE-AMS6448]
MIL-S-8503B (AMENDMENT-1), MILITARY SPECIFICATION: STEEL BARS, CHROME-VANADIUM (6150) (AIRCRAFT QUALITY) (ASG) (06-JUN-1963) [S/S BY SAE-AMS6448].