SECTION ITM 9-2350-247-24P3Code Application/ExplanationMO — Made atItems with these codes are not to be requested/UM/AVUM levelrequisitioned individually. They must be madefrom bulk material which is identified by theMF — Made atpart number in the DESCRIPTION AND USABLE ONDS/AVUM levelCODE (UOC) column and listed in the Bulk Materialgroup of the repair parts list in this RPSTL.MH — Made at GS levelIf the item is authorized to you by the 3rdposition code of the SMR code, but the sourceML — Made at Specializedcode indicates it is made at a higher level, orderRepair Activity (SRA)the item from the higher level of maintenance.MD — Made at DepotAO — Assembled byItems with these codes are not to be requested/UM/AVUM Levelrequisitioned individually. The parts that makeup the assembled item must be requisitioned orAF — Assembled byfabricated and assembled at the level ofDS/AVIM Levelmaintenance indicated by the source code. If the3rd position code of the SMR code authorizes you toAH — Assembled by replace the item, but the source code indicatesGS Categorythe item is assembled at a higher level, orderthe item from the higher level of maintenance.AL — Assembled by SRAAD — Assembled by DepotXA — Do not requisition an ‘XA’-coded item. Order its next higher assembly. (Also, refer tothe NOTE below.)XB — If an ‘XB’ item is not available from salvage, order it using the CAGE and partnumber given.XC — Installation drawing, diagram, instruction sheet, field service drawing, that is identifiedby manufacturer’s part number.XD — Item is not stocked. Order an ‘XD’-coded item through normal supply channels usingthe CAGE and part number given, if no NSN is available.NOTE: Cannibalization or controlled exchange, when authorized, may be used as a source of supply for itemswith the above source codes, except for those source coded ‘XA’ or those aircraft support items restricted byrequirements of AR 700-42.(2) MaintenanceCode.Maintenance codes tell 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 SMR codeas follows:
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