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        AND REFER TO NO.C-S19-7 (34l)

Bureau of Ships

Washington, D.C.
30 July 1941


From: The Chief of the Bureau of Ships.
To: Commandant, Mare Island.
Commandant, Norfolk.
Commandant, Cavite.
SUBJECT:     Low Visibility Gray Paints - Change in Manufacturing Formula.
Reference: Buships Conf.let.No.C-Sl9-l-(5)(341), dated July 11/1941.

     1.      Reference (a) informed the addressees of a prospective change in manufacturing formula and practice in using low visibility gray paints.

     2.      Decision has been made to adopt "Haze Gray", formula designation 5-H, as the lightest gray paint, "Sea Blue", formula designation 5-S as the darkest shade, and "Ocean Gray", formula designation 5-O, for an intermediate shade of gray paint. Decision has been made also to produce these three shades of gray paint when required by adding specified amounts of the composite blue black paste which has been described in detail in paragraph 3 of reference (a), to the white untinted base formula 5-U. The following amounts of composite paste added to five gallons of the white untinted base, formula 5-U, will yield the shades of paint as indicated:

Amount of tinting paste Resultant Paint
 2 pints
 5   "
10   "
"Haze Gray"
"Ocean Gray"
"Sea Blue"


C-S19-7 (341)
From:       BuShips
To: Comdt., MI        (VIA AIR MAIL)
Comdt., Norfolk.
Comdt., Cavite.    "   "   "
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

It will be noted that if only one gallon of white un-tinted base formula 5-U is to be tinted to the "Ocean Gray" or "Sea Blue" shade, one pint and two pints, respectively, of the composite paste are required.

     3.      It is requested that low visibility paint manufacture conform to the following instructions:

(a)  Cease the manufacture of any dark gray paint formula 5-D.
(b) Stop the manufacture of any composite tinting material formula 5-TM required to produce light gray formula 5-L or "Ocean Gray" formula 5-0.
(c) Continue the manufacture and issue of white untinted base formula 5-U in 5-gallon buckets and one-gallon pail units.
(d) Begin the manufacture and issue of the blue black composite paste referred to above in one-pint, quart and gallon containers. This product shall receive formula designation 5-TM.

     4.      A revision of the Camouflage Instructions, "Ships - 2", is in preparation. This revision supplemented by letter instruction will indicate to the Forces Afloat the desired effects in using the new shades of paint "Haze Gray", ""Ocean Gray", and "Sea Blue", and the simplified procedure for securing these shades.


Copy to:

    H. A. Ingram
    By Direction


National Archives & Records Administration, San Francisco Branch
Record Group 181, Mare Island Navy Shipyard General Corespondence Files 1941-46

Transcribed by RESEARCHER @ LARGE. Formatting & Comments Copyright R@L.

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