MIL-S-83135 (NOTICE-4), MILITARY SPECIFICATION: STEEL BARS, REFORGING STOCK, AND MECHANICAL TUBING, 4340M, HIGH QUALITY (28-JUL-2000) [S/S by SAE-AMS6409 and SAE-AMS6417]
MIL-S-83135 (NOTICE-4), MILITARY SPECIFICATION: STEEL BARS, REFORGING STOCK, AND MECHANICAL TUBING, 4340M, HIGH QUALITY (28-JUL-2000) [S/S by SAE-AMS6409 and SAE-AMS6417]., MIL-S-83135(USAF) remains inactive for new design, however, the document is valid for
acquisition when needed.