TM 9-2350-261-24PCodeMO - Made at unit levelMF - Made at DS levelMH - Made at GS levelML - Made at SpecializedRepair Activity (SRA)MD - Made at DepotAO - Assembled by unitAF - Assembled by DSAH - Assembled by GSAL - Assembled by SRAAD - Assembled by DepotExplanationItems with these codes are not to be requested/requisitioned individually. They must be madefrom bulk material which is identified by thepar-t number in the DESCRIPTION AND USABLE ONCODE (UOC) column and listed in the Bulk Materialgroup of the repair parts list in this RPSTL.If the item is authorized to you by the 3rdposition of the SMR code, but the source codeindicates it is made at a higher level, orderthe item from the higher level of maintenance.Items with these codes are not to be requested/requisitioned individually. The parts that makeup the assembled item must be requisitioned orfabricated and assembled at the level ofmaintenance indicated by the source code. If the3rd position of the SMR code authorizes you toreplace the item, but the source code indicatesthe item is assembled at a higher level, orderthe item from the higher level of maintenance.XA - Do not requisition an “XA”-coded item. Order its next higher assembly. (Also, refer tothe NOTE below.)XB - If an “XB”- coded item is not available from salvage, order it using the CAGE andpart number 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 foritems with the above source codes, except for those source coded “XA” or those aircraft support itemsrestricted by requirements of AR 700-42.(2) Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to USEand REPAIR support items. The maintenance codes are entered in the third and fourth positions of theSMR code as follows:3
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