Home /
Search 🔍
the Site
pub Where the world gathers for
plating, anodizing, & finishing Q&As since 1989


Questions about military finishing spec. MIL-STD-171?

November 6, 2008

Q. I'm trying to find out what or of MIL-STD-171 is?

Marvin Elliott
Cost estimator - Pompano, Florida

November 12, 2008

A. Go to the assist quicksearch website at http://assist.daps.dla.mil/quicksearch/

You should find the spec there. I think the latest revision is revision E.

Brian Terry
Aerospace - Yeovil, Somerset, UK

Ed. note: That site seems to move every year or two. Current location as of Feb. 2017 is https://quicksearch.dla.mil/, and current version is F.

November 13, 2008

A. TABLE II. Inorganic finishes, metallic coatings.
1.1 Cadmium coatings
1.1.2 Plating, w-P-416, type II, with supplementary chromate treatment; normal color: not bleached or clear (see Class 3, 0.0002 inch (5.1 um) thick
1.9 Zinc coatings

1.9.2 Electrodeposited zinc, ASTM B633 [affil. link] , type II with supplementary chromate treatment; normal color: not bleached or clear (see Class 3, 0.0002 inch (5.1 um) thick

Chris Jurey, Past-President IHAA
Luke Engineering & Mfg. Co. Inc.
supporting advertiser
Wadsworth, Ohio
luke banner

January 26, 2012

Q. Good morning ,

I wonder if anyone knows what protective finish 7.3.1 of MIL-STD-171 [affil. link or from DLA]?
Materials are alum. alloy 5052 H32 .090 thk.
Thanks for your advise in advance!

Rebecca Randazzo
Owner and operator - Kingston, New York, USA

January 26, 2012

Hi, Rebecca.

I'm not sure that I understood the question, but Finish No. 7.3.1 is "Chemical film, chromate, MIL-DTL-5541 [affil. link or DLA] or ASTM B449 [affil. link]
Type II, Class 1A, for maximum protection against corrosion, painted or unpainted".


Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

finishing.com is made possible by ...
this text gets replaced with bannerText
spacer gets replaced with bannerImages

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories:

Chemicals &
Consult'g, Train'g
& Software

About/Contact    -    Privacy Policy    -    ©1995-2023 finishing.com, Pine Beach, New Jersey, USA