SECTION 1TM5-3805-262-24P(1) Source Code. The source code tells youhow to get an item needed for maintenance, repair oroverhaul of an end item/equipment. Explanations ofsource codes follows:PAPBPC**PDPEPFPGKDKFKBApplication/ExplanationStocked items; use the applicable NSN torequest/requisition items with thesesource codes. They are authorized to thecategory indicated by the code entered in3d position of the SMR code.l *Items coded PC are subject to deteriora-tion.Items with these codes are not to berequested/requisitioned individually. Theyare part of a kit which is authorized to themaintenance category indicated in the 3dposition of the SMR code. The complete kitmust be requisitioned and applied.MO-(Made at UMAVUM Level)MF–(Made at DS/AVUM Level)ML-(Made atSpecialized RepairAct (SRA))MD-(Made atDepot)AO-(Assembled byUM/AVUM Level)AF-(Assembled byDS/AVIM Level)AH-(Assembled byGS Category)AL-(Assembled bySRA)items with these codes are notto be requested/ requisitionedindividually. They must be madefrom bulk material which is ident-ified by the part number in theDESCRIPTION AND USABLEON CODE (UOC) column andlisted in the Bulk Material groupof the repair parts list in thisRPSTL. If the item is authorizedto you by the 3d position codeof the SMR code, but if thesource code indicates it is madeat a higher level, order the itemfrom the higher level of mainten-ance.Items with these codes are notto be requested/requisitionedindividually. The parts thatmake up the assembled itemmust be requisitioned or fabric-ated and assembled at the levelof maintenance indicated bythe source code. If the 3d posi-tion code of the SMR code byauthorizes you to replace theitem, but the source code indi-AD-(Assembledcates the item is assembled at aby Depot)bled at a higher level, order theitem from the higher level ofmaintenance.XA -Do not requisition an “XA”-coded ltem. Or-der its next higher assembly. (Also, refer tothe NOTE below.)XB-If an “XB” item is not available from salvageorder it using the CAGE and part numbergivenXC-Installation drawing, diagram, instructionsheet, field service drawing, that is identi-fied by the manufacturer’s part number.XD-Item is not stocked. Order an “XD”-coded item through normal supply chan-nels using the CAGE and part numbergiven, if no NSN is available.NOTE: Cannibalization or controlled exchange, whenauthorized, may be used as source of supply for itemswith the above source codes, except for those sourcecoded “XA” or those aircraft support items restricted byrequirements of AR 700-42.(2) Maintenance Code. Maintenance codes tellyou the level(s) of maintenance authorized to USE andREPAIR support items. The maintenance codes areentered in the third and fourth positions of the SMRCode as follows:(a) The maintenance code entered in thethird position tells you the lowest maintenance levelauthorized to remove, replace and use an item. Themaintenance code entered in the third position will indi-cate authorization to one of the following levels of main-tenance:CodeC -O -F -H -L -2Crew or operator maintenance done withinunit or aviation unit maintenance.Unit maintenance or aviation unit categorycan remove, replace and use the item.Direct support or aviation intermediatelevel can remove, replace and use the item.General support level can remove, replaceand use the item.Specialized repair activity can remove, re-place and use the item.Application/ExplanationC o de
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