Source Code - TM-9-4120-401-24P0007

TM 9-4120-401-24P

(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

Source 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

PC**

entered in the 3rd position of the SMR code.

**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

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

applied.

Items with these codes are not to be requested/requisitioned

MO - (Made at Unit/AVUM

individually. They must be made from bulk material which

Level)

is identified by the part number in the DESCRIPTION and

MF - (Made at DS/AVUM

Level)

USABLE ON CODE (UOC) column and listed in the Bulk

Material group of the repair parts list in this RPSTL. If the

MH - (Made at GS Level)

item is authorized to you by the 3rd position code of the SMR

ML - (Made at Specialized

code, but the source code indicates it is made at a higher

Repair Activity (SRA))

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

MD - (Made at Depot)

Items with these codes are not to be requested

AO - (Assembled by

Unit/AVUM

requisitioned individually. The parts that make up

Level)

AF - (Assembled by

DS/AVIM

the assembled item must be requisitioned or

fabricated and assembled at the level of

Level)

maintenance indicated by the source cede. If the

AH - (Assembled by

3rd position code of the SMR code authorizes you

Category)

AL - (Assembled by

SRA)

to replace the item, but the source code indicates

AD - (Assembled by

Depot)

the items are assembled at a higher level, order the

item from the higher level of maintenance.

XA -

Do not requisition "XA"-coded item. Order its next higher assembly. (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 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.