MIL-STD-1247C, MILITARY STANDARD: MARKING, FUNCTIONS, AND HAZARD DESIGNATIONS OF HOSE, PIPE, AND TUBE LINES FOR AIRCRAFT MISSILE, AND SPACE SYSTEMS (1

MIL-STD-1247C, MILITARY STANDARD: MARKING, FUNCTIONS, AND HAZARD DESIGNATIONS OF HOSE, PIPE, AND TUBE LINES FOR AIRCRAFT MISSILE, AND SPACE SYSTEMS (13 OCT 1989)., This standard establishes material, labeling requirements for identification, function, subfunction, pressures, hazards and direction of lfow for pipes, hoses and tube liens used in aircraft, missile, space systems, and support equipment. The use of colors, words and symbols to identify the functions of such items (to include approved abbreviations), and the dimensions of labeling items such as tags, tapes, and bands, are specifically prescribed (see 4.1.1).