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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4.15

Star washers

22

4.16

Cadmium plating

22

4.17

Cables, chains, close-wound springs

22

4.18

Plastics

22

4.19

Elastomers

22

4.20

Wire covering

23

4.21

Lubrication

23

4.22

Identification marking

23

4.23

Drainage

23

4.24

Standard parts - Government standard parts (bolts,

nuts, screws, washers, etc.)

23

4.25

Application to previously painted surfaces

23

4.25.1

Surface preparation

23

4.25.2

Finishing procedures

24

4.25.2.1

Epoxy primer

24

4.25.2.2

Application methods

24

4.25.2.3

Film thickness

24

4.25.3

Safety

24

5.

DETAILED REQUIREMENTS

25

5.1

Cleaning requirements

25

5.1.1

General

25

5.1.1.1

Corrosion and heat resisting metals

25

5.1.1.2

Flux removal

25

5.1.1.3

Rinsing

25

5.1.2

Aluminum and its alloys

25

5.1.3

High-hardness steels

25

5.1.4

Low-hardness steels

25

5.1.5

Magnesium and its alloys

26

5.1.6

Titanium and its alloys

26

5.1.7

Copper, brass, cadmium, tin

26

5.1.8

Wood

26

5.2

Surface treatments

26

5.2.1

Aluminum and aluminum alloys

26

5.2.1.1

Electrically conductive surfaces

26

5.2.1.2

Surface treatment of assemblies

26

5.2.1.3

Touch-up

26

5.2.2

Magnesium alloys

27

5.2.2.1

Method

27

5.2.2.2

Touch-up

27

5.2.3

Iron and steel

27