7-6 MSN SOS UNIT PRICE UI A ^CT A A C ^QU_P ^SL C S E C R C MCD-NAVY D ^ML ITEM NAME P _CPHRASE STATEMENT CS SMCC MMC   IR RRC MRP3f0703 Figure 7-3. Management List-Navy (ML-N). COLUMN TITLE DATA PRINTED ACTION CODE A one-position alpha code that designates the type of action required by the file maintenance computer to enter/update/delete data in various cyclic or master files NATIONAL STOCK NUMBER A 13-digit number that uniquely identifies an item of supply SOURCE OF SUPPLY The routing identifier of the managing activity, which is a potential source of supply ACQUISITION ADVICE CODE A code indicating how (as distinguished from where) and under what restrictions an item will be acquired QUANTITY PER UNIT PACK A code representing the number of units of issue included in the first tie, wrap, or container in which the NSN is prepared for shipment UNIT OF ISSUE (LIMIT) The abbreviations printed represent determinate amounts or quantities that have been established as standards of measurement for issue of materials or supplies UNIT PRICE The dollars and cents of the item per unit of issue (For material control code “A” and acquisition advice code “L,” prices are estimated.) SHELF LIFE CODE A code indicative of the interval of shelf-life time (based on established technical factors) beyond which the item may not be satisfactory for use (See NAVSUPINST 4410.52 for further guidance.) SECURITY CLASSIFICATION CODE A code indicative of the degree of security assigned an item REPAIRABILITY CODE A one-position code that indicates whether or not an item is repairable (Repairability code for Navy-managed items is the material control code [MCC].) COGNIZANCE CODE (SYMBOL) A code designating a segment of material for management by a specific inventory manager and the funding involved; that is,odd digit for Navy stock fund (NSF), even digit for APA Table 7-1. ML-N Contents