0060 00TM 1-6625-724-13&P0060 00-2Source CodeApplication/ExplanationPA, PB, PC**, PD,PE, PF, PGStocked items: use the applicable NSN to request/requisition items with thesesource codes. They are authorized to the category indicated by the codeentered in the 3rd position of the SMR code.**NOTE: Items coded PC are subject to deterioration.KD, KF, KBItems with these codes are not to be requested/requisitioned individually. Theyare part of a kit that is authorized to the maintenance category indicated in the3rd position of the SMR code. The complete kit must be requisitioned andapplied.MO (made at unit/AVUM Level)Items with these codes are not to be requested/requisitioned individually. TheyMF (made at DS/AVIM Level) must be made from bulk material which is identified by part number in the MH (made at GS Level)DESCRIPTION AND USABLE ON CODE (UOC) column and listed in the BulkML (made at SRA)Material group of the repair parts list in this RPSTL. If the item is authorized toMD (made at Depot)you by the 3rd position code of the SMR code, but the source code indicates itis made at a higher level, order the item from the higher level of maintenance.AO (assembled by unit/AVUM Level)Items with these codes are not to be requested/requisitioned individually. The AF (assembled by DS/AVIM Level)parts that make up the assembled item must be requisitioned or fabricated andAH (assembled by GS Level)assembled at the level of maintenance indicated by the source code. If the 3rdAL (assembled by SRA)position code of the SMR code authorizes you to replace the item, but the AD (assembled by Depot)source code indicates the item is assembled at a higher level, order the item from the higher level of maintenance.XA-Do not requisition an "XA" coded item. Order its next higher assembly. (Alsorefer to the NOTE below.)XB-If an "XB" item is not available for salvage, order it using the Commercial andGovernment Entity (CAGE) and part number given.XC-Installation drawing, diagram, instruction sheet, field service drawing, that isidentified by manufacturer’s part number.XD-Item is not stocked. Order an "XD" coded item through normal supply channelsusing the CAGE and part number given if no NSN is available.NOTE: Cannibalization or controlled exchange, when authorized, may be usedas a source of supply for items with the above source codes, except for thosesource coded “XA” or those aircraft support items restricted by requirements ofAR 750-1.2. Maintenance Code. The maintenance code tells you the level(s) of maintenance authorized to USE andREPAIR support items. The maintenance codes are entered in the third and fourth positions of the SMRCode as follows:Third position. The maintenance code entered in the third position tells you the lowest maintenance levelauthorized to remove, replace, and use an item. The maintenance code entered in the third position willindicate authorization to one of the following levels of maintenance.Maintenance CodeApplication/ExplanationC-Crew or operator maintenance done within organizational or aviation unitmaintenance.O-Organizational or aviation unit category can remove, replace and use the item.F-Direct support or aviation intermediate level can remove, replace and use theitem.H- General support level can remove, replace, and use the itemL- Specialized repair activity can remove, replace, and use the itemD- Depot level can remove, replace, and use the item
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