TM 9-6115-662-13&PCodeExplanationItems with these codes are not to be requested/requisitionedindividually. The parts that make up the assembled item must berequisitioned or fabricated and assembled at the level ofmaintenance indicated by the source code. If the 3d position code ofthe SMR code authorizes you to replace the item, but the sourcecode indicates the item is assembled at a higher level, order theitem from the higher level of maintenance.XA -Do not requisition an “XA’’-coded item. Order its next higher assembly. (Also, refer to theNOTE below.)XB -If an “XB” item is not available from salvage, order it using the CAGEC and part numbergiven.XC - Installation drawing, diagram, instruction sheet, field service drawing, that is identified bymanufacturer's part number.XD -Item is not stocked. Order an “XD’’-coded item through normal supply channels using theCAGEC and part number given, if no NSN is available.NOTECannibalization or controlled exchange, when authorized, maybe used as a source ofsupply for items with the above source codes, except for those source coded “XA” or thoseaircraft support items restricted by requirements of AR 700-42.F-3.2.2MaintenanceCode. Maintenance codes tells you the level(s) of maintenance authorized toUSE and REPAIR support items. The maintenance codes are entered in the third and fourth positions ofthe SMR Code as follows:F-3.2.2.1 Maintenance Code Third Position. The maintenance code entered in the third position tellsyou the lowest maintenance level authorized to remove, replace, and use an item. The maintenance codeentered in the third position will indicate authorization to one of the following levels of maintenance.CodeApplication/Explanationc-Crew or operator maintenance done within unit or aviation unit maintenance.o-Unit or aviation unit level can remove, replace, and use the item.F-Direct support or aviation intermediate level can remove, replace, and use the item.H-General support level can remove, replace, and use the item.L-Specialized repair activity can remove, replace, and use the item.D-Depot level can remove, replace, and use the item.Change 1F-3
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