Source Code - TM-9-4120-404-24P0007

TM 9-4120-404-24P

(1) Source Code. The source code tells you how you get an item needed for maintenance,

repair, or overhaul of an end item/equipment. Explanations of source codes follows:

Source Code

Explanation

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Stocked items; use the applicable NSN to request/requisition items with these

PC**

source codes. They are authorized to the category indicated by the code

entered in the 3rd position of the SMR code.

**NOTE: Items coded PC are subject to deterioration.

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Items with these codes are not to be requested/requisitioned individually. They

are part of a kit which is authorized to the maintenance category indicated in

the 3rd position of the SMR code. The complete kit must be requisitioned and

applied.

}

MO - (Made at org AVUM

Items with these codes are not to be requested/requisitioned

Level)

individually. They must be made from bulk material which is

MF - (Made at DS/AVUM

identified by the part number in the DESCRIPTION and USABLE

Level)

ON CODE (UOC) column and listed in the Bulk Material group of the

MH - (Made at GS Level)

repair parts list in the RPSTL. If the item is authorized to you by the

ML - (Made at Specialized

3rd position code of the SMR code, but the source code indicates it

Repair Activity (SRA))

is made at a higher level, order the item from the higher level of

MD - (Made at Depot)

maintenance.

AO - (Assembled by org

Items with these codes are not to be requested/requisitioned

}

AVUM

individually. The parts that make up the assembled item must be

Level)

requisitioned or fabricated and assembled at the level of

AF - (Assembled by

maintenance indicated by the source code. If the 3rd position code

DS/AVUM

of the SMR code, authorizes you to replace the item, but the

Level)

source code indicates the items are assembled at a higher level,

AH - (Assembled by GS

order the item from the higher level of maintenance.

Category)

AL - (Assembled by SRA)

AD - (Assembled by Depot)

XA - Do not requisition an "XA"-coded item. Order its next higher assembly. (Also, refer to the NOTE below.)

XB - If an "XB" item is not available from salvage, order it using the CAGEC and part number given.

XC - Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufacturer's

part number.

XD - Item is not stocked. Order an "XD"-coded item through normal supply channels using the CAGEC 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 items with the above source codes, except for those source coded

"XA" or those aircraft support items restricted by requirements of AR 750-1.