EXPLANATION OF COLUMNS (SECTIONS II AND III).

TM 5-4930-233-23P

TM 4930-24P/2

(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:

Source Code

Explanation

Stocked items, use the applicable NSN to request/requisition items with these source codes

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They are authorized to the category indicated by the code entered in the 3rd 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 3rd position of the SMR code.

The complete kit must be requisitioned and applied.

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

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must be made from bulk material which is identified by the part number in the

MO-(Made at Unit/AVUM

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

Level)

Material group of the repair parts list in this RPSTL If the item is authorized to

MF-(Made at DS/AVUM

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

Level)

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

MH-(Made at GS Level)

ML-(Made at Specialized

Repair Activity (SRA))

MD-(Made at Depot)

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

}

AO-(Assembled by

parts that make up the assembled item must be requisitioned or fabricated and

Unit/AVUM Level)

assembled at the level of maintenance indicated by the source code. If the 3rd

AF-(Assembled by DS/AVIM

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

Level)

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

AH-(Assembled by GS

item from the higher level of maintenance.

Category)

AL-(Assembled by SRA)

AD-(Assembled by Depot)

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.