MIL-STD-1168 Ammunition Lot Numbering And Ammunition Data CardThis standard establishes and describes the lot numbering system and ammunition data card requirements that are used to identify and document items of ammunition including guided missiles and energetic materiel during all phases of their life cycles.

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MIL-STD-1168C

Example:

A manufacturing activity with the basic identification symbol of "EEE" had manufactured lots EEE97G001-001 through EEE98A003-006, when the identification symbol was changed to "EEF."  The next lot manufactured was numbered EEF98B001-001.

Reasons for the manufacturing identification symbol change shall be annotated in the remarks section of the ADC.  Changes in manufacturers' identification symbols are relatively rare but could be due to the following reasons:

a.   When it is learned that a manufacturer's identification symbol is being

duplicated by one or more manufacturing activities; or

b.   When a manufacturing activity moves their operations from one city to another or closes out production from one facility to a distinctively different facility, even if they are in the same city; or

c.   When a business establishment changes ownership, experiences mergers, alters its name, and the like.

4.3 Ammunition lot number - month and year of production.

4.3.1 Year of production.  Each ammunition lot number shall have the year of production inserted after the manufacturer's identification symbol (see 6.9).  The year of production is a two (2) digit code represented by the last two (2) numbers of the year that manufacture, assembly, or regrouping of the lot was initiated.  Once initiated, the lot number shall keep the same year code until the lot is completed.  There are no spaces between the manufacturer's identification symbol, the year of production code, and the alpha code used to identify the month of production.  The year of production is the start of the manufacturing activity's operations and not the dates of the sub-component manufacture.  The applicable lot(s) shall not be accepted if the year of production is incorrectly applied.

4.3.2 Month of production.  Each ammunition lot number shall have the month of production inserted after the year of production code (see 6.9).  The month of production is a single alpha code assigned as follows:

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