MIL-T-5066B (NOTICE 4), MILITARY SPECIFICATION: TUBING, CARBON STEEL (1025), SEAMLESS AND WELDED (AIRCRAFT QUALITY) (30 JUN 1999) [S/S BY SAE-AMS-T-5066]., MIL-T-5066B, dated 22 May 1967, is hereby canceled. Users may refer to SAE-AMS-T-5066, "Tubing, Carbon Steel (1025) (Aircraft Quality)", as a possible replacement. Users are cautionedto evaluate AMS-T-5066 for their particular application before citing it as a replacementdocument.