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

5.4 Tapes.................................................................................................................................................. 9

5.4.1 Tags ................................................................................................................................................... 9

5.4.2 Paints ................................................................................................................................................. 9

5.5 Working pressure............................................................................................................................... 9

5.6 Miscellaneous lines............................................................................................................................ 9

5.6.1 Electrical conduit............................................................................................................................. 10

5.6.2 Air conditioning ducts ..................................................................................................................... 10

5.6.3 Vents, fills, and drains ..................................................................................................................... 11

5.6.4 Flex hose.......................................................................................................................................... 11

5.7 Placement of identification .............................................................................................................. 11

5.7.1 Placement of tapes ........................................................................................................................... 11

5.7.2 Placement of bands, tags and paints ................................................................................................ 11

5.7.3 Facility interface .............................................................................................................................. 11

6. NOTES............................................................................................................................................ 12

6.1 Intended use..................................................................................................................................... 12

6.2 Acquisition requirements................................................................................................................. 12

6.3 Metrication....................................................................................................................................... 12

6.4 International standardization agreements ........................................................................................ 12

6.5 Subject term (keyword) listing ........................................................................................................ 12

6.6 Changes from previous issue ........................................................................................................... 12

FIGURE

1 Examples of identification groups ................................................................................................... 13

2 Color-coded functional identification tapes..................................................................................... 14

3 Warning symbols............................................................................................................................. 15

4 Optional arrangement for identification........................................................................................... 16

5 Examples of electrical identification ............................................................................................... 17

6 Tag identification............................................................................................................................. 17

TABLE

I Functions and associated symbols...................................................................................................... 8

II Classification of hazards, identification marking, and corresponding MIL-STD-101 color............ 10