MIL-STD-1247 Markings, Functions And Hazards Designations Of Hose, Pipe, And Tube Lines For Aircraft Missile, And Space SystemsThis standard establishes material labeling requirements for identification, function, subfunction, pressures, hazards and direction of flow for pipes, hoses and tube lines 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.

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MIL-STD-1247D

CONTENTS

PARAGRAPH                                                                                                                       PAGE

1.          SCOPE.............................................................................................................................................. 1

1.1        Scope ................................................................................................................................................. 1

1.2        Applicability ...................................................................................................................................... 1

2.          APPLICABLE DOCUMENTS....................................................................................................... 2

2.1        General .............................................................................................................................................. 2

2.2        Government documents ..................................................................................................................... 2

2.2.1     Specifications, standards, and handbooks.......................................................................................... 2

2.3        Non-Government publications........................................................................................................... 2

2.4        Order of precedence........................................................................................................................... 3

3.          DEFINITIONS................................................................................................................................. 3

3.1        Cold lines........................................................................................................................................... 3

3.2        Compressed gas lines......................................................................................................................... 3

3.3        Function............................................................................................................................................. 3

3.4        Hot lines............................................................................................................................................. 3

3.5        Identification group ........................................................................................................................... 3

3.6        Instrument air lines ............................................................................................................................ 3

3.7        Lines .................................................................................................................................................. 3

3.8        Pneumatic air lines............................................................................................................................. 3

3.9        Subfunction (subsidiary function) ..................................................................................................... 4

4.         GENERAL REQUIREMENTS....................................................................................................... 4

4.1        Indentification.................................................................................................................................... 4

4.1.1     Identification of function ................................................................................................................... 4

4.1.2     Identification of subsidiary function.................................................................................................. 4

4.1.3     Designation of hazards ...................................................................................................................... 4

4.1.4     Designation of direction of flow........................................................................................................ 4

4.1.5     Designation of pressure ..................................................................................................................... 4

4.2        Identification media........................................................................................................................... 5

4.2.1     Tapes.................................................................................................................................................. 5

4.2.2     Tags ................................................................................................................................................... 5

4.2.3     Paint................................................................................................................................................... 5

4.2.4     Painted identification group............................................................................................................... 5

5.           DETAILED REQUIREMENTS.................................................................................................... 6

5.1         Function............................................................................................................................................ 6

5.1.1      Colors ............................................................................................................................................... 6

5.1.1.1   Application of colors ........................................................................................................................ 6

5.1.1.2   Colors on tapes ................................................................................................................................. 6

5.1.1.3   Color on painted bands ..................................................................................................................... 6

5.1.2      Symbols ............................................................................................................................................ 7

5.1.3      Wording............................................................................................................................................ 7

5.1.3.1   Wording on tapes.............................................................................................................................. 7

5.1.3.2   Wording on tags................................................................................................................................ 7

5.1.3.3   Painted words ................................................................................................................................... 7

5.2         Hazards ............................................................................................................................................. 8

5.3        Direction of flow................................................................................................................................ 9

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