141L-A-8625E
25 April 1988
SUPERSEDING
141L-A-86250
30
June 1985
●
MILITARYSPECIFICATION
ANODIC COATINGS, FOR ALUMINUM AND ALUMINUM ALLOYS
This specification is approved for use by all
I)epartmentsantiAgencies of the Department of
Defense.
1.
SCOPE
1.1 Scope.
This specification covers the requirements for four types and
two classes of electrolytically formecianodic coatings on aluminum and
aluminum alloys for non-architectural appl!catlons.
1.2 Classification.
Anodic coatings for alumlnum and al’uminumalloys
shall be of the fo?lowing types and classes, as specified (see 6.2.1):
1.2.1 Types
Type I - Chromic acid anodizing, conventional coatings produced from
chromic acid bath, (see 3.4.1)
Type IB - Chromic acid anodizing, low voltage process, 20V, (see 3.4.1)
TvD@ 11 -
Sulfuric acid anodizing, conventional coatings produced from
.rr–
sulfuric acid bath, (~ee 3.4.2)
Type
111 -
Hard Anodic Coatings (see 3.4.3)
1.2.2 Classes.
The coating types specified in ‘
following classes:
Class 1 -
Non-dyed, nattiral,including d
Class 2
- Dyed, (see 3.6.)
2.
APPLICABLE MXI.MIENTS
2.1 Government documents.
1.2.1 shall beef the
chromate sealing, (see 3.5.)
2.1.1 Specifications, and standards.
The following specifications and
standards form
a part of this spec~f~cation to the extent specified herein.
Unless otherwise specified, the-issues of these documents shall be those
listed in the issue of the Department of Oefense Index of Specifications and
Standards (DODISS) and supplement thereto, cited in the solicitation.
Beneficial comments (recommendations, additfons, deletions) and any pertinent
data which may be of use in improving this document should be addressed to:
Systems Engineering and Standardization Department (Code 53), Naval Air
Engineering Center,
Lakehurst, NJ 08733-5100, by using the self-addressed
Standardization Document Improvement Proposal (OD Form 1426) appearing at the
end of this document or by letter.
AMSC
(NIA
AREA MFFP
DISTRIBUTION STATEMENT A, Approved for public release; distribution is unlimlted.
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