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Anodizing MIL-A-8625C vs MIL-A-8625D

Anodizing MIL-A-8625C vs MIL-A-8625D

Anodizing MIL-A-8625C vs MIL-A-8625D

(OP)
Ok, this may be a silly question but what is the difference between 8625D and 8625C?? Is it just colour...

thanks
Mike

RE: Anodizing MIL-A-8625C vs MIL-A-8625D

Stating "Class 2" would define a colored anodize.  The "C" and "D" refer to the revision of the stadard for MIL-A-8625.

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RE: Anodizing MIL-A-8625C vs MIL-A-8625D

(OP)
thanks! that makes sense

RE: Anodizing MIL-A-8625C vs MIL-A-8625D

Also note that 8625B & 8625C are obsolete revisions.  
The current version is MIL-A-8625F and is a free download at ASSIST-Quick Search:
http://assist1.daps.dla.mil/quicksearch/

Revision history:

MIL-A-8625F
10 September 1993, Amended 15-SEP-2003
SUPERSEDING
MIL-A-8625E
25 April 1988

Which had superseded
MIL-A-8625D
30 June 1985

Which had superseded
MIL-A-8625C
15 January 1968

Anodize Class per MIL-A-8625F:  Class 1 is non-dyed (natural), Class 2 is dyed.
You must also specify Type:  Type I for chromic, Type II for conventional, Type III for hard.  
Note:  There are also some variants of Types I & II, mostly for aircraft applications.

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