MIL-STD-2199 Coverings For Waterborne Main Propulsion Shafting On U.S. Naval Surface Ships And SubmarinesThis standard covers standard practices for the application of a four-layer shaft covering system on the body areas of waterborne main propulsion shafting. Material and application requirements are also provided for coatings that are to be applied to waterborne shaft flange assemblies.

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MIL-STD-2199A

PARAGRAPH                                                                                                                                                            PAGE

3.2.17  NACE - National Association of Corrosion Engineers .........................................................................3

3.2.18  NAVSEA - Naval Sea Systems Command............................................................................................3

3.2.19  NSTM - Naval Ships' Technical Manual ..............................................................................................3

3.2.20  r/min - Revolutions per minute..............................................................................................................3

3.2.21  RMC - Regional maintenance center.....................................................................................................3

3.2.22  SAE - Society of Automotive Engineers ...............................................................................................3

3.2.23  SSPC-SP - Steel Structures Painting Council Surface Preparation .......................................................4

3.2.24  TRS - Technical repair standard ............................................................................................................4

3.2.25  VOC - Volatile organic compound........................................................................................................4

3.2.26  VPI - Vapor phase inhibitor...................................................................................................................4

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

4.1  Recycled, recovered, or environmentally preferable materials.........................................................................4

4.2  Personnel...........................................................................................................................................................4

4.3  Facilities, tools, and equipment.........................................................................................................................4

4.4  Shaft covering system performance..................................................................................................................4

5.  DETAILED REQUIREMENTS...............................................................................................................................4

5.1  Materials ...........................................................................................................................................................4

5.1.1  First layer - primer...................................................................................................................................4

5.1.2  Second layer - elastomeric coating ..........................................................................................................5

5.1.3  Third layer - sealing/fairing compound ...................................................................................................5

5.1.4  Fourth layer - GRP ..................................................................................................................................5

5.1.4.1  Laminating resins ............................................................................................................................5

5.1.4.1.1  Cure ........................................................................................................................................5

5.1.4.2  Glass reinforcement.........................................................................................................................5

5.2  Auxiliary materials............................................................................................................................................5

5.2.1  Thixotropic filler ......................................................................................................................................5

5.2.2  Fairing compound for shaft ......................................................................................................................5

5.2.3  Coating for flange couplings ....................................................................................................................5

5.3  Estimation and preparation of the basic materials required ..............................................................................6

5.3.1  First layer - primer...................................................................................................................................6

5.3.2  Second layer - elastomeric coating ..........................................................................................................6

5.3.3  Third layer - sealing/fairing compound ...................................................................................................6

5.3.4  Fourth layer - GRP ..................................................................................................................................6

5.3.4.1  Laminating resin..............................................................................................................................6

5.3.4.1.1  Example of epoxy laminating resin ........................................................................................6

5.3.4.1.2  Preparation of epoxy laminating resins...................................................................................6

5.3.4.1.3  Fillers ......................................................................................................................................7

5.3.4.2  Fiberglass tape.................................................................................................................................7

5.3.4.2.1  Example of calculation for fiberglass tape..............................................................................7

5.3.4.2.2  Preparation of fiberglass tape..................................................................................................7

5.4  Safety precautions.............................................................................................................................................7

5.4.1  General.....................................................................................................................................................7

5.4.2  Specific precautions .................................................................................................................................8

5.5  Facility requirements ........................................................................................................................................8

5.5.1  Shaft preparation, primer application, and elastomeric coating application.............................................8

5.5.1.1  Ventilation .......................................................................................................................................8

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