MIL-S-5626C, MILITARY SPECIFICATION: STEEL, CHROME-MOLYBDENUM (4140) BARS, RODS, AND FORGING STOCK (FOR AIRCRAFT APPLICATION) (17 JUL 1968) [S/S BY SAE-AMS6382, AND SAE-AMS6349]

MIL-S-5626C, MILITARY SPECIFICATION: STEEL, CHROME-MOLYBDENUM (4140) BARS, RODS, AND FORGING STOCK (FOR AIRCRAFT APPLICATION) (17 JUL 1968) [S/S BY SAE-AMS6382, AND SAE-AMS6349]., This specification covers chrome-molybdenum (4140) steel bars, rods, and forging stock of aircraft quality.