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  for Metal Finishing since 1989
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MIL-C-5541D question: Is Class 1A Clear?

Q. Is there any type of color specifically per MIL-C-5541D Class 1A? Our customer returned to us the quite a number of part since they said we coated them wrongly. In the specs it's Alchromed, what we did was clear chromate. Please advice, thanks!

Cai Chong
- Singapore
2007

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A. Unless otherwise specified, parts processed per Mil-C-5541E or the more current revision, MIL-DTL-5541 [on DLA]F (type I) shall be gold (yellow) in color. Bill Grayson metal finishing shop - San Jose, California, USA 2007 A. Class 1A calls for yellow chromate such as Iridite 14-2, or equivalent Don Baudrand Consultant - Poulsbo, Washington (Don is co-author of "Plating on Plastics" [on Amazon or AbeBooks affil links]            and "Plating ABS Plastics" [on Amazon or eBay or AbeBooks affil links]) 2007

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Need copy of MIL-DTL-5541 D

Q. I have a drawing that calls out MIL-DTL-5541 D (yes, I know, don't call out spec revs...moot point now). I cannot locate a copy of Rev D, and I'm not sure about the switch from MIL-C-5541 to MIL-DTL-5541, so it may be MIL-C-5541 D. Can anyone point me to a copy of Rev D? It should be available for public consumption.

Thanks for any help.

Kelly Moreland
- Wilsonville, Oregon, USA
May 29, 2020