Source Code - TM-9-4520-251-24P0011

TM 5-4520-251-24P

Maintenance

Recoverability

Source

Code

action on an

Who can install

Who can do

unserviceable item

replace or use

complete repair*

the item

on the item

*Complete Repair: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks

of the "Repair" function in a use/user environment in order to restore serviceability to a failed item.

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

of an end item/equipment. Explanations of source codes follows:

Explanation

Code

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

with these source codes. They are authorized to the category

indicated by the code entered in the 3d position of the SMR code.

PC**

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

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 3d position of the SMR code.

The complete kit must be requisitioned and applied.

Explanation

MO(Made at org/

AVUM Level)

Items with these codes are not to be requested/requisitioned

MF(Made at DS/

individually. They must be made from bulk material which is identified

AVUM Level)

by the part number in the DESCRIPTION and USABLE ON CODE

MH-(Made at GS

(UOC) column and listed in the Bulk Material group of the repair parts

Level)

list in the RPSTL. If the item is authorized to you by the 3d position

ML(Made at Spe-

code of the SMR code, but the source code indicates it is made at a

cialized Repair

higher level, order the item from the higher level of maintenance.

Activity (SRA))

MD(Made at Depot)

Explanation

AO(Assembled by

org/AVUM Level)

Items with these codes are not to be requested/requisitioned

AF(Assembled by

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

DS/AVIM Level)

requisitioned or fabricated and assembled at the level of maintenance

AH(Assembled by GS

indicated by the source code. If the 3d position code of the SMR code

Category)

authorizes you to replace the item, but the source code indicates the

AL(Assembled by

items are assembled at a higher level, order the item from the higher

SRA)

level of maintenance.

AD(Assembled by

Depot)