Metal finishing Q&As since 1989
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Need specification QQ C-320 "Electrodeposited Chromium"
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Q. Hello, would be possible to have the specification provided to me?
David Torres- Cypress, California
April 26, 2024
A. Hi David.
As you see from the conversation below, that spec is way out of date and was canceled long ago. But if you want it anyway, here is QQ-C-320 rev. B (17-June-1974), Amendment 4 (10-April-1987), and the Cancelation Notice (3-May-2001):
QQ-C-320
The later SAE AMS replacements are copyrighted and must be purchased; they can't be copied and disbursed.
Luck & Regards,
Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
⇩ Related postings, oldest first ⇩
Q. I've found printed versions that will be mailed. I would like it right away. I previously had printed versions, but were lost in last summer's flood. Thanks.
Shannon Keltyfinishing shop - Cedar Rapids, IA US
April 22, 2009
A. Shannon,
Do you want a copy of Fed QQ-C-320 or AMSQQC320? If it is the former then go to the assist quicksearch website and download it for free. If it is the latter, as this superseded QQ-C-320, then this is available from SAE direct. By the way AMSQQC320 has been superseded by AMS2460.
Aerospace - Yeovil, Somerset, UK
A. Hello
NAVY QQ-C-320B CANC NOTICE 1 2001-MAY-03 - Cancelled -
CHROMIUM PLATING (ELECTRODEPOSITED)
[Refer to: SAE AMSQQC320 B]
As you can see it's been replaced
SAE AMS-QQ-C-320B 2008-JAN-01 - Cancelled -
Chromium Plating (Electrodeposited)
[Superseded by: SAE AMS2460]
replace again
SAE AMS 2460 2007-JUL-01 - Active/Current -
Plating, Chromium
- Valleyfield, quebec, Canada
A. Google "ASSIST Quicksearch" and you'll get to the web depository of US Military and Federal Specifications.
Put "QQ-C-320" into the Document ID box. Click on 'Submit'.
Click on the icon on the left of "QQ-C-320", then click on the PDF icons of the documents you want to download.
AMSQQC320 was revised once, then cancelled and replaced by AMS 2460 in July 2007.
Lee Gearhart
metallurgist - E. Aurora, New York
A. I usually go to
http://assist.daps.dla.mil/quicksearch/
to get copies of mil specs. This particular one, QQ C320, is listed as canceled and replaced by AMS QQ C320, though the last copy prior to the cancellation is available there. SAE's website in turn lists AMS QQ C320 as canceled and replaced by AMS2460, which can be purchased there or via other spec suppliers such as AMS2460.
Ray Kremer
Stellar Solutions, Inc.
McHenry, Illinois
April 29, 2009
A. All has been revised to current Spec AMS 2438
Gilbert Loy- Anaheim, California, USA
March 27, 2013
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