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|  MIL-R-23016(Wep)
3.1.11.1
Aluminum Alloy:
3.1.11.1.1
Surface, General:
Parts fabricated from aluminum 1100, alloys 3003, 5052, 6053,
6061, 6063, 7072 (Standard MIL-STD-192) shall be cleaned with
a cleaning solution such as caustic dip, and may be used with
or without other surface treatment. Other aluminum alloys
shall be anodized in accordance with Specification MIL-A-8625
or be given a chemical treatment in accordance with Specifica-
tion MIL-C-5541.
Surfaces, Bonded and Grounded:
3.1.11.1.2
Where bonding or grounding is not necessary, aluminum 1100, alloys
3003, 5052, 6053, 6061, 6063, 7072, or equally corrosion-
resistant alloys, shall be used. They may be used without
other surface treatment.
Aluminum Surfaces, Extreme Wear Resistant:
3.1.11.1.3
Where bonding or grounding is not necessary, hard anodic finishes
conforming to numbers E514, E515, or E516 of Specification
MIL-F-14072 may be applied to obtain extreme wear resistant
surfaces under type II exposure on desired areas of aluminum
alloys not subject to repeated high tensile stresses.
3.1.11.2
Cadmium-Plated Parts:
Cadmium plating shall be in accordance with requirements in
Specification QQ-P-416 for type II, Class 2 plating, with the
following exceptions:
(a) Bolts, studs, washers, nuts, and articles with portions
extremely threaded: These parts shall have a minimum of
class 3 thickness.
(b) Parts whose dimensional tolerances will not permit a
class 2 thickness shall be given the maximum thickness
of plating compatible with dimensional tolerances.
(c) Holes, recesses, internal threads, and other areas where
a controlled deposit cannot be normally obtained shall not
be subject to a thickness requirement.
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