T.O. 1-1A-9 TABLE 2-2 - SPECIFICATION CROSS REFERENCE (CONT’D) COMP/ALLOY DESIGN FORM/COMMODITY AMS FEDERAL MILITARY 2515 Bars QQ-S-624 Wire (Alloy) QQ-W-405 3115 Bars QQ-S-624 Wire (Alloy) QQ-W-405 Bars, Billets (For MIL-S-866 carburizing) 3140 Bars QQ-S-624 Wire (Alloy) QQ-W-405 Bars, Blooms, Billets MIL-S-16974 3310 Bars QQ-S-624 MIL-S-7397 comp 1 Wire QQ-S-405 3316 Bars MIL-S-1393 comp 2 4037 Bars, Wire 6300 Bar QQ-S-624 Wire QQ-W-405 4050 Steel, Tool QQ-T-570 C1 1 4130 Bars, Rods, Forgings 6370 QQ-S-624 MIL-S-6758 (A/C Quality) Plate, Sheet Strip 6350 MIL-S-18729 (A/C Quality) 6351 Bars, Blooms, Billets MIL-S-16974 & Slabs Tubing, Seamless 6360 6361 6362 MIL-T-6736 Tubing, Welded MIL-S-6731 Tubing, Mech 6371 Plate (Commercial QQ-S-626 Quality) Sheet, Strips QQ-S-627 Wire (Alloy) QQ-W-405 2-21