MIL-STD-171 Finishing Of Metal And Wood SurfacesThis standard establishes and updates general finish codes and serves as a general guide to the selection of suitable materials, procedures, and system for cleaning, plating, painting and otherwise finishing of metal and wood surfaces.

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PARAGRAPH

CONTENTS

PAGE

5.2

Organic finishes

24

5.2.1

General painting requirements

24

5.2.1.1

Previous painted surfaces

24

5.2.2

Painting schedule

24

5.2.2.1

Unassembled parts

25

5.2.3

Film thickness

25

5.2.3.1

Film thickness for camouflage

26

5.2.4

Faying surfaces

26

5.2.4.1

Wood

26

5.2.4.2

Metal

26

5.2.5

Adhesion

26

5.2.6

Appearance

26

5.2.7

Color

26

5.2.7.1

Color for Army

26

5.2.8

Corrosion resistance

26

5.3

Paint finishes for metals

27

5.3.1

Priming paint for aluminum

27

5.3.1.1

Conventional primers

27

5.3.1.2

Chemical agent resistant coatings (CARC) primers

27

5.3.2

Priming paint for magnesium (conventional and CARC)

27

5.3.3

Priming paint for dissimilar metal assemblies

27

5.3.4

Number of coats of paint, minimum

27

5.3.5

Application of CARC/camouflage systems

28

5.3.5.1

Primer

28

5.3.5.2

Top coat

28

5.4

Preservative treatments for wood

34

5.4.1

Preservative identification

35

5.4.2

Presence of preservative

35

5.4.3

Inspection for presence of preservation

35

5.4.4

K-8 (copper-8-quinolinolate)

35

5.4.5

K-8

37

5.4.6

M-GARD W550 (zinc hydronap)

37

5.4.7

Sodium diethylthiocarbamate trihydrate

37

5.4.8

Chrome axurol "s"

37

5.4.9

Dithizone (diphenylthiocarbazone)

37

5.5

Paint finishes for wood

38

6.

Notes

42

6.1

Responsibility for inspection

42

6.1.1

Contractor is responsible for inspection

42

6.2

General inspection requirements

42

6.2.1

Tests

42

6.2.2

Test specimens

42

6.3

Condition of surface prior to painting

42

6.4

Continuity and uniformity of coatings

43

6.5

Thickness of coatings

43

6.6

Paint application

43

6.7

Paint adhesion

43

6.8

Color

43

6.9

Hiding power, gloss, and smoothness of paint

43

6.10

Inspection and acceptance of camouflage painting

43