MIL-STD-1247D (NOTICE-1), DEPARTMENT OF DEFENSE STANDARD PRACTICE: MARKING, FUNCTIONS, AND HAZARD DESIGNATIONS OF HOSE, PIPE, AND TUBE LINES FOR AIRCRAFT MISSILE, AND SPACE SYSTEMS (14-JUL-2014)
MIL-STD-1247D (NOTICE-1), DEPARTMENT OF DEFENSE STANDARD PRACTICE: MARKING, FUNCTIONS, AND HAZARD DESIGNATIONS OF HOSE, PIPE, AND TUBE LINES FOR AIRCRAFT MISSILE, AND SPACE SYSTEMS (14-JUL-2014)., MIL-STD-1247D, dated 29-Jan-2009, remains inactive for new
design; however, the document is valid for use.