Source Code - TM-55-1925-292-14-P0340

TM 55-1925-292-14&P

0047 00

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 follow:

Source Code

Application/Explanation

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

source codes. They are authorized to the level indicated by the code 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 level indicated in the 3rd

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

MO-Made at unit/AVUM

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

level

must be made from bulk material which is identified by the P/N in the DESCRIP-

MF-Made at DS/AVIM

TION AND USABLE ON CODE (UOC) column and listed in the bulk material

level

group work package of the RPSTL. If the item is authorized to you by the 3rd

MH-Made at GS level

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

ML-Made at SRA

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

MD-Made at depot

AO-Assembled by unit/

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

AVUM level

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

AF-Assembled by DS/

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

AVIM level

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

AH-Assembled by GS

code indicates the item is assembled at a higher level, order the item from the

level

higher level of maintenance.

AL-Assembled by SRA

AD-Assembled by depot

Do not requisition an "XA" coded item. Order the next higher assembly.(Refer to

NOTE below.)

If an item is not available from salvage, order it using the CAGEC and P/N.

Installation drawings, diagrams, instruction sheets, field service drawings; iden-

tified by manufacturer's P/N.

Item is not stocked. Order an XD-coded item through normal supply channels

using the CAGEC and P/N 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 items

source coded "XA" or those aircraft support items restricted by requirements of

AR 750-1.

Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to use and repair support

items. The maintenance codes are entered in the third and fourth positions of the SMR code as follows:

Third Position. The maintenance code entered in the third position tells you the lowest maintenance level autho-

rized to remove, replace, and use an item. The maintenance code entered in the third position will indicate

authorization to the following levels of maintenance:

0047 00-2