MIL-STD-1655 (NOTICE 2), MILITARY STANDARD FITTINGS, FLARELESS, CLASSIFICATION OF DEFECTS OF. MIL-STD-1655, dated 10 April 1975, is hereby cancelled. Future acquisition for this item should refer to MIL-HDBK-1655, 鈥淐lassification of Defects of Flareless and Beam Seal Fittings.鈥?MIL-STD-1657A DEPARTMENT OF DEFENSE DESIGN CRITERIA SWITCHING EQUIPMENT