TM 5-3820-256-24P-1*Complete Rear: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks of the"Repair" function in a use/user environment in order to restore serviceability to a failed item.(1) Source Code. The source code tells you how you get an item needed for maintenance, repair, or overhaul ofan end item/equipment. Explanations of source codes follow.Code ExplanationPAPBStocked items; use the applicable NSN to request/requisition items with thesePC**source codes. They are authorized to the category indicated by the codePDentered in the 3rd position of the SMR code.PEPF **NOTE: Items coded PC are subject to deterioration.PGKDItems with these codes are not to be requested/requisitioned individually. TheyKF are part of a kit which is authorized to the maintenance category indicated inKBthe 3rd position of the SMR code. The complete kit must be requisitioned andapplied.MO- (Made at org AVUMItems with these codes are not to be requested/requisitionedlevel)individually. They must be made from bulk material which isMP- (Made at DS/AVUMidentified by the part number in the DESCRIPTION and USABLElevel)ON CODE (UOC) column and listed in the Bulk Material group of theMH- (Made at GS level)repair parts list in the RPSTL. If the item is authorized to you by theML- (Made at Specialized3rd position code of the SMR code, but the source code indicates itRepair Activity (SRA))is made at a higher level, order the item from the higher level ofMD- (Made at Depot)maintenance.AO- (Assembled by org Items with these codes are not to be requested/requisitionedAVUMindividually. The parts that make up the assembled item must beLevel)requisitioned or fabricated and assembled at the level ofAF- (Assembled bymaintenance indicated by the source code. If the 3rd position codeDS/AVUMof the SMR code authorizes you to replace the item, but theLevel)source code indicates the items are assembled at a higher level,AH- (Assembled by GSorder the item from the higher level of maintenance.Category)AL- (Assembled by SRA)AD- (Assembled by Depot)XA - Do not requisition an "XA"-coded item. Order its next higher assembly. (Also, refer to the NOTE below.)XB - If an "XB" item is not available from salvage, order it using the FSCM and part number given.XC - Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufacturer's part number.XD - Item is not stocked. Order an "XD"-coded item through normal supply channels using the FSCM and part numbergiven, if no NSN is available.2}
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