MIL-T-7840A (NOTICE-1), MILITARY SPECIFICATION: TUBING, NICKEL CHROMIUM IRON ALLOY, SEAMLESS OR WELDED, (FOR AIRCRAFT APPLICATIONS) (28-OCT-1982) [S/S BY SAE-AMS5580]
MIL-T-7840A (NOTICE-1), MILITARY SPECIFICATION: TUBING, NICKEL CHROMIUM IRON ALLOY, SEAMLESS OR WELDED, (FOR AIRCRAFT APPLICATIONS) (28-OCT-1982) [S/S BY SAE-AMS5580]., Cancelled and replaced by SAE-AMS5580.