MIL-DTL-14072F
TABLE III. Plated finishes (M) Continued.
Minimum Plating
Thickness in mm (mm
Applicable
Finish
Type
Plate
x 39.37 = mils)
Specifications
Number
Exposure
Description
Inter-
Final
mediate
Plate
Plates
FOR USE ON IRON OR IRON-BASE ALLOYS Continued.
M225
I
Olive-drab
None
0.0127
SAE-AMS-QQ-P-
Chromate
Cadmium 416, Type II Class 1
Passivated
Cadmium
Do not paint3/
M226
I
Passivated
None
0.0127
ASTM B633, Type
Zinc (must be
Zinc
II or III, Class 2
painted)
M227
I
Olive-drab
None
0.0127
ASTM B633,
Chromate
Zinc
Type II
Passivated
Zinc
M228
I
Hot-dip Zinc None
---
ASTM
A123/A123M,
ASTM
A153/A153M
M229
I
Chromate
None
---
ASTM
Passivated
A123/A123M,
Hot-dip Zinc
ASTM
A153/A153M plus
ASTM D 6386,
Type II
M251
II
Silver
0.0025
0.0076
SAE-AMS-2403,
Nickel
Silver
0.0010 inch thick
plus ASTM B700
M252
II
Nickel
0.0051
0.0102
SAE-AMS 2418,
Copper
Nickel
Class 3 plus SAE-
AMS-2403, 0.0004
inch thick (Bright
finish)
M253
II
Dull Nickel 0.0051
0.0102
SAE-AMS 2418,
Copper
Nickel
Class 3 plus SAE-
AMS-2403, 0.0004
inch thick (Matte
Finish)
M254
II
Copper
None
0.0127
SAE-AMS 2418,
Copper
Class 2
35
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