MIL-DTL-16036M(SH)
d. For Method I (see 3.19.2.1) and Method II (see 3.19.2.2) only, apply primer pretreatment coating or
chemical treatment and primer.
e.
f.
For Method III (see 3.19.2.3) only, apply powder coat.
3.19.2 Painting or powder coating method. Painting shall be in accordance with Method I (see 3.19.2.1) or
3.19.2.1 Method I.
3.19.2.1.1 Primer. Primer (TT-P-645) shall be applied at a thickness of 0.0015 - 0.0025 inch to hand tooled
(SSPC SP 2) or power tooled (SSPC SP 3) surfaces.
3.19.2.1.2 Enamel. One coat of gray enamel conforming to Class 2, Type II or III of MIL-DTL-15090 shall be
applied as a continuous film, each approximately 0.001 inch thick. A second coat of enamel shall be applied to the
outside of the switchgear.
3.19.2.2 Method II.
3.19.2.2.1 Primer. A phosphate treatment shall be applied conforming to Type I of TT-C-490, 0.0001 -
0.0002 inch thick.
3.19.2.2.2 Enamel. Enamel shall be applied in accordance with the following:
a. First color coat - Parts shall be coated with one coat of a light gray, modified epoxy enamel applied by
electrodeposition, at 150 to 300 volts for 1 to 3 minutes at a paint temperature of 65 to 120 °F (18.3 to 48.9 °C) and a
solid content of the electrocoating level of 5 to 15 percent. Dry film thickness shall be at least 0.001 inch. This shall
be followed by a tap water and deionized water rinse and then baking for 20 to 25 minutes at 350 °F (176.7 °C).
b. Second color coat (exterior) - Exterior surfaces shall receive one coat of a thermosetting acrylic enamel,
light gray, semigloss meeting the appearance requirements of MIL-DTL-15090, applied to a 0.001-inch minimum
dry film thickness. This shall be applied by spraying over the first color coat. This coating shall then be baked and
completely cured in 15 minutes at 400 °F (204.4 °C), in 20 minutes at 375 °F (190.6 °C), or in 25 minutes at 350 °F
(176.7 °C).
3.19.2.3 Method III.
3.19.2.3.1 Powder coating. Powder coating may be used as an alternative to painting. The powder coating
shall be in accordance with MIL-PRF-24712. The type of powder, process of application, curing, and repair
procedures and testing shall be approved by NAVSEA 05P23.
3.19.3 Grounding fasteners with paint or powder coat. Grounding connections must be free of paint or powder
coat. "Star" washers or similar shall not be used to grind paint/powder coat away under screws for grounding.
3.20 Identification plates, information plates, and marking.
3.20.1 Identification and information plates. Identification and information plates on the outside of the
switchboard shall conform to Types A, B, C, F, or H of MIL-DTL-15024 and MIL-P-15024/5. Plastic identification
and information plates shall be light gray. Inscriptions or markings for all type plates shall be black, except for
danger, warning, and caution plates, which shall have words in red for emphasis or be red with white markings.
Identification and information plates inside the switchboard shall conform to Type F of MIL-DTL-15024 and
MIL-P-15024/5.
3.20.2 Location. Identification and information plates shall be placed in close proximity to the equipment to
which it refers and, generally, either directly above or directly below it.
3.20.3 Size. In general, identification and information plates shall be of the size as listed in MIL-DTL-15024
and MIL-P-15024/5.
3.20.3.1 Thickness. Thickness of identification and information plates shall be in accordance with
MIL-DTL-15024 and MIL-P-15024/5.
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