MIL-STD-186 Protective Finishing For Army Missile Weapon SystemsThis standard establishes the minimum requirements for procedures, materials, and systems for cleaning, plating, painting and finishing metals, wood, electronic materials, parts and assemblies for rockets, guided missiles, and components to protect them from deterioration.

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MIL-STD-186F (MI)

TA8LE X. Group amplification of galvanic couples - Continued.

Group No. (See Table X)	Metal or Alloy Description
15	Aluminum, cast alloys other than silicon type. Cadmium, plated, QQ-P-416 and SAE-AMS-C-8837. Aluminum cast alloy compositions 200, 500, 700, and 800 series, ASTM 826, ASTM 826M, ASTM 885, ASTM 8108, ASTM 8179, SAE J452
16	Galvanized iron or steel, ASTM A361, ASTM A527, ASTM A653, ASTM A929.
17	Zinc plating, ASTM 8633 Wrought zinc alloys, ASTM 869. Die-casting zinc alloys, ASTM 886.
18	All magnesium alloys including ASTM 8107, ASTM 894, ASTM 891, ASTM 8661, SAE AMS 4375, SAE AMS 4377, SAE AMS 4376, ASTM 8199, ASTM 880.

TA8LE XI. Single coat dry film thickness (mils) of paint-type materials

MIL-C-8514	0.3 - 0.7
DOD-P-15328	0.3 - 0.7
MIL-P-23377	0.6 - 0.9
MIL-P-53022	0.8 - 1.5
MIL-P-53030	0.8 - 1.5
MIL-PRF-85582	0.8 - 1.2	1/
MIL-C-46168	0.9 - 1.2	2/
MIL-DTL-53039	0.9 - 1.2	2/
MIL-DTL-64159	0.9 - 1.1	2/
MIL-PRF-22750	0.8 - 1.7

Other Primers

Other Topcoats

0.8 - 1.2 mils

1/ Except for aircraft, then 0.6 - 0.9

2/ 1.8 mils minimum total dry film thickness must be maintained for color uniformity and optimum camouflage characteristics. A single application of not less than 1.8 mils is permissible in some cases. See paragraph 5.5.4.14.