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Military Specification QQ-N-290 class 1 for screw

Please let me know the requirement of Military Specification FED-QQN-290 (replaced by AMSQQN290) Class 1 for screw.

Thanks,

Henry
- China, Hong Kong

A. Hello Henry!

To get a copy of any US military or federal specification, such as QQ-N-290, go to: ~~astimage.daps.dla.mil/quicksearch/~~ and type the appropriate number in the document ID box.

Good luck!

Lee Gearhart
metallurgist - E. Aurora, New York

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Ed. note 5/23/13: Make that quicksearch.dla.mil/ currently

A. QQ-N-290 is the US Federal Specification for electrodeposited nickel. Class 1 is for corrosion protection but you will need to read the entire specification to understand the requirements.

Neil Bell
Albuquerque, New Mexico

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