TM 10-4320-318-24P(1)SourceCode.The source code tells you how to get an item needed for maintenance, repair, oroverhaul of an end item/equipment. Explanations of source codes follows:CodeExplanationPAStocked items, use the applicable NSN to request/PBrequisition items with these source codes They arePC**authorized to the category indicated by the codePDentered in the 3d position of the SMR code.PEPF**NOTE Items coded PC are subject to deterioration.PGKDItems with these codes are not to be requested/KFrequisitioned Individually. They are part of a kitKBwhich is authorized to the maintenance categoryindicated In the 3d position of the SMR code. Thecomplete kit must be requisitioned and applied.ExplanationMO-(Made at unit/Items with these codes are not to be requested/AVUM Level)requisitioned individually They must be made fromMF-(Made at DSbulk material which Is Identified by the part numberAVUM Level)in the DESCRIPTION and USABLE ON CODE (UOC)MH-(Made at GScolumn and listed In the Bulk Material group of theLevel)repair parts I1st In the RPSTL If the Item is authorizedML-(Made at Spe-to you by the 3d position code of the SMR code, butcialized Repairthe source code Indicates It is made at a higherActivity (SRA))level, order the item from the higher level ofMD-(Made at Depot)maintenance.ExplanationAO-(Assembled byItems with these codes are not to be requested/unit/AVUM Level)requisitioned individually. The parts that make upAF-(Assembled bythe assembled item must be requisitioned or fabricatedDS/AVIM Level)and assembled at the level of maintenance indicatedAH-(Assembled byby the source code. If the 3d position code of theGS Category)SMR code authorizes you to replace the item, but theAL-(Assembled bysource code Indicates the items are assembled at aSRA)higher level, order the item from the higher level ofAD-(Assembled bymaintenance.Depot)2
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