MIL-DTL-14072F
TABLE VII. Finish selection - continued.
Applicable Finish 1/
Class of Part
Conditions Affecting
Type
Finish Selection
Exposure
FABRICATED FROM ALUMINUM-BASE ALLOYS - Continued
Internal structural parts
None
II
E511 or E513
such as chassis,
brackets, inside of
RF electrical
II
E513
panels, clamps, shields,
conducting surface is
clips, hinges, etc.
required
A nonconducting
II
E511 or P517
surface is required.
Plating is required for
II
Any Type I plating to
contact with
meet Table VI
dissimilar metals.
Parts made from alloys, A power electrical
II
I512
1100, 3003, 5052, and
conducting surface is
6061 only.
required.
Parts requiring high
Parts will be
II
E514
wear resistance such as
subjected to high
gears, cams, slides, etc.
bearing pressure.
FABRICATED FROM COPPER OR COPPER-BASE ALLOYS
Structural parts, such as
Parts will be exposed
I
P213.1 or P213.4
castings, housings,
to view
brackets, etc.
Parts will be exposed
I
P213.1 or P213.4
to view in assembled
equipment and are
made from alloys
containing 40% zinc
or more.
Parts will not be
I
No finish required.
exposed to view and
are made from alloys
containing less than
40% zinc.
54
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