General Specifications - Appendix 6
INSTRUCTIONS FOR
PAINTING
AND CEMENTING VESSELS
OF THE UNITED STATES NAVY
Edition of June 1943
Chapter 4. - Finish Coats -
Exterior - Topsides
SECTION 4-A.
Surface Vessels.
Before trials, the vertical surfaces above the upper
limit of the boot topping paint shall be painted Haze Gray, formula 5-H, and,
in general, horizontal surfaces shall be painted Deck Blue, formula 20-B.
Camouflage. - Certain camouflage measures have
been established, and are described in the confidential publication,
"Ship Camouflage Instructions" (Short Title: SHIPS-2). The
supervisor of shipbuilding shall ascertain from the prospective commanding
officer which camouflage measure is to be applied, in time to permit its
application prior to delivery, if possible.
Flight Decks. - Painting of aircraft carrier
flight decks shall follow specific instructions from the Bureau of Ships.
SECTION 4-B.
Submarines.
Submarines shall have the
exterior metal surfaces above the waterline at maximum beam painted with one
coat of MI-146 over one coat of the dark zinc chromate primer, formula 84D,
and one coat of dark anticorrosive paint, formula 14D. Wood slat decking
shall be painted with two coats of copper bottom paint No. 16 colored black by
the addition of one-half pound of dry lampblack per gallon of paint.
Ungalvanized areas within the
superstructure and fairwaters and interior of free-flooding spaces,
shall be painted with one coat of black plastic composition, formula 90, over
one coat of dark zinc chromate primer, formula 84D, and one coat of
anticorrosive paint, formula 14D.
Galvanized areas inside the
superstructure and fairwaters and interior of free-flooding spaces,
shall be painted with one coat of dull black paint, formula 13, over one coat
of dark zinc chromate primer, formula 84D.
SECTION 4-C.
Hospital Ships.
Unless otherwise directed,
hospital ships shall receive 2 coats of outside white, formula 6, above limit
of the boot-topping paint. A green 5 foot band (formula 12) shall be
painted continuously around the ship with the upper edge parallel to and 5
feet below the sheer line. Crosses as large as practicable shall be
painted with red, formula 40, on each side of the hull amidships, on a
horizontal section visible from above, and on the stacks so as to show ahead,
astern, and on each side. The width of the cross stripes will be nearly
as possible one-third the length.
SECTION 4-D.
District Craft.
Yard and district craft shall
be painted as follows:
Self-propelled vessels, torpedo
testing barges, water barges.
Vertical Surfaces - Ocean
Gray, formula 5-O.
Horizontal Surfaces - Deck Blue, formula 20-B.
Non-self-propelled vessels.
Hull above upper limit of
antifouling including decks - Dull Black, formula 13.
Upper Works - Ocean Gray, formula 5-O.
SECTION 4-E.
Miscellaneous Items.
Decks. - Metal weather
decks, such as the forecastle, gun platforms, and passageways of destroyers,
which require a nonskid surface though wet, shall be treated by either of the
following methods:
Method I. - Light
weight deck covering, Navy Department Specification 52D9, shall be used.
Method II. -
(a) Apply one coat of
varnish, formula 80, over zinc chromate primer. Sprinkle fine sand
over the varnish immediately and dust off when varnish is dry.
(b) Apply two coats of deck paint, formula 20-B.
Waterways shall be painted to
agree with camouflage measures for the adjacent deck.
Stacks. - The top of
each stack shall have a black band, formula 13, painted to a depth of
one-sixth the fore and aft pipe dimension but not to exceed 24 inches, unless
camouflage instructions require otherwise.
Foundations. -
Inaccessible areas of crane and machinery foundations shall be coated with
pigmented rust preventive compound, Navy Department Specification 14C6, Type
II.
Life Preservers. -
Metallic life preservers shall be unpainted; canvas covers on cork preservers
shall be treated with white canvas preservative (Navy Department Specification
52C26) and marked with ship's name or designating number with black formula
38, unless otherwise directed by camouflage instructions.
Canvas. - When required
by camouflage instructions, shall be dyed with a preservative (Navy Department
Specification 52C26) tinted to the color of the deck blue paint, formula 20-B.
Side Lights. - The
inside surfaces of the side light boxes shall be painted, red formula 40, for
the port side lights and green, formula 39, for the starboard side lights.
Rigging. - Rigging in
way of insulators shall be painted with zinc chromate paint, formula
84D. Insulators shall be kept entirely free of paint.
Fittings. - Other
exterior fittings of wood or metal shall be painted to match the surrounding
structure in their stowed position.
The portions of wood masts that are within deckhouses or other enclosures
shall be finished to harmonize with the surroundings. Stains shall not
be used, and where filler is needed, it shall be transparent, Navy Department
Specifications 52F1.
Wood side ladders (accommodation ladders) and platforms shall be finished in
natural wood and varnished, formula 80. In time of war they shall be
painted to match the surrounding structure when stowed.
Frequently handled brightwork metal objects shall normally be left unpainted.
For camouflage purposes, all visible brightwork shall be painted when
possible, or glare masked with a dark rust preventive compound.
SECTION 4-F.
Lettering and Marking.
Ship's names (plan Bu.
Ships No. 51497) shall be painted with outside white No. 6 on black vessels,
with black formula 13 on light gray vessels and with gold leaf on white
vessels. When a camouflage measure is applied, names will be painted
out.
Draft marks shall be
painted with white formula 6 over the underwater painting or black hull, black
formula 13 above boot topping over white or gray.
Distinguishing numerals
shall be painted white formula 6 on the bow in general accordance with plan
Bu. Ships No. 469497. No letters shall precede the number.
Yard craft shall be marked with letters and number, preceded by "U.S.
Navy".
SECTION 4-G.
Armor.
Faying surfaces of armor including butts and
seams of side armor normally exposed to salt water shall be given one coat of
zinc chromate primer, formula 84. The outboard side of the shell plating
in the way of armor shall be given one touch-up coat and one additional coat
of zinc-chromate primer, formula 84, and the spaces between shell and armor
filled with such armor backing compound as is required by the Detail
Specifications.
SECTION 4-H.
Anchor Chain.
Anchor chain shall be painted black, formula
45.
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