MIL-S-83030A (NOTICE 4), MILITARY SPECIFICATION, STEEL ALLOY, CARBURIZING, BARS AND BILLETS, STEEL NICKEL-CHROMIUM (3310, 3316, AND 9310), PREMIUM QUALITY (6 APR 2006) [S/S BY SAE-AMS6250, SAE-AMS6260 AND SAE-AMS6317]., MIL-S-83030A, dated 28 August 1968, is hereby canceled. Future acquisitions for this item may refer to: Society of Automotive Engineers (SAE) Aerospace Materials Specifications (AMS): SAE-AMS6250 揝teel Bars, Forgings, and Tubing 1.5Cr - 3.5Ni (0.07 - 0.13 C) (SAE 3310)?SAE-AMS6260 揝teel, Bars, Forgings, and Tubing 1.2Cr - 3.2Ni - 0.12Mo (0.07 - 0.13C) (SAE 9310)?SAE-AMS6317 揝teel Bars and Forgings 1.8Ni - 0.25Mo (0.38 - 0.43C) (4640) Heat Treated, 125 ksi (862 MPa) Tensile Strength?(Copies of these documents are available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or http://www.sae.org/.) Users are cautioned to evaluate replacements for their particular application.