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National Stock Number

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Definition: (DOD) The 13-digit stock number replacing the 11-digit Federal Stock Number. It consists of the 4-digit Federal Supply Classification code and the 9-digit National Item Identification Number. The National Item Identification Number consists of a 2-digit National Codification Bureau number designating the central cataloging office of the NATO or other friendly country which assigned the number and a 7-digit (xxxxxxx) nonsignificant number. The number shall be arranged as follows: 9999-00-999-9999.

See also Federal Stock Number.

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