The purpose of lot numbering ammunition items and creation of ammunition data cards as outlined herein is to provide the identification of homogeneous materiel necessary to ensure accurate control of items during development and experimental stages; during movement of items from production line to production line, from plant to plant, from plant to storage facilities; while at test facility or in the field; for issue to the using services; to enable the proper establishment and maintenance of surveillance records; and to provide a means for properly identifying materiel when withdrawal of defective, deteriorated, hazardous or obsolete ammunition and energetic materiel from service is required. Lot numbering and ammunition data cards also provide documentation and traceability for ammunition lots. In this example, "L" stands for Letter and "N" stands for Number. Each manufacturer had a code designation. The digits were the Lot's serial number.
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It starts with a code letter and is followed by a 3-digit code number. It also was embossed with the ammunition designation and type i.
Each manufacturer had a code designation. This indicates the batch the lot was part of, allowing the number to be reused later. The last digits were the serial number, called the Lot Sequence Number. This could be 3 or more digits long. Machinegun ammo was designated by manufacturers with an extra code letter. It was either added as a letter code between the Manufacturer's Code and the Interfix Number or as a prefix or suffix to the Lot Sequence Number.
The first 4 digits comprise the Federal Stock Composition Group, which indicates the group and class of materials it is. The second section NN-L is the date code.
This consists of the last two digits of the year of manufacture and a letter suffix indicating the month of production:. Following the date code is the third section: the Interfix Number NN , which can be 2 or more digits long. This indicates the batch of material the item belongs to.
This is the sequential serial number of the lot. A letter suffix may be added to the Lot Sequence Number for various reasons. The item may have been made on a different machine or production line than the rest of the batch or a portion of the batch was found defective by quality control. As an example of a lot number would be: FAAA.
This would mean that contractor Frankfort Arsenal made the item in January, ; that it was portion "A" of the th item of the rd batch. Sign In Don't have an account? Contents [ show ]. Categories :. Cancel Save. This page uses Creative Commons Licensed content from Wikipedia view authors.
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