MIL MIL-T-8973 PDF

TUBING, STEEL, CORROSION AND HEAT RESISTANT, FOR AEROSPACE VEHICLE HYDRAULIC SYSTEMS ASSEMBLED BY BRAZING (INACTIVE USE SAE-AMS5569, SAE-AMS5584, SAE-AMS5897) (S/S BY SAE-AMS-5897)
standard by Military Specifications and Standards, 09/12/1969