MIL-T-6845D (NOTICE 4), MILITARY SPECIFICATION: TUBING, STEEL, CORROSION-RESISTANT (S30400), AEROSPACE VEHICLE HYDRAULIC SYSTEM 1/8 HARD CONDITION (05 FEB 1999) [S/S BY SAE-AMS-T-6845]., MIL-T-6845D, dated 26 April 1985, is hereby canceled. Users may refer to SAE-AMS-T-6845,"Tubing, Steel, Corrosion-Resistant (S30400) Aerospace Vehicle Hydraulic System 1/8 HardCondition", as a possible replacement. Users are cautioned to evaluate AMS-T-6845 for theirparticular application before citing it as a replacement document.(Application for copies of AMS publications should be addressed to the Society of AutomotiveEngineers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096.)