Maintenance Code - TM-55-1730-202-140033

TM 55-1730-202-14

CODE

MO-

(Made at org/AVUM

Level)

MF-

(Made at DS/AVUM

tified by-the part number in the DESCRIPTION AND USABLE

Level)

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

MH-

(Made at GS Level)

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

ML-

(Made at Specialized

by the 3d position code of the SMR code, but the source code in-

Repair Act (SRA))

dicates it is made at a higher level, order the item from the higher

MD.

(Made at Depot)

level of maintenance.

Items with these codes are not to be requested/requisitioned in-

AO-

(Assembled by

dividually. The parts that make up these assembled item must be

org/AVUM Level)

requisitioned or fabricated and assembled at the level of

AF-

(Assembled by

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

DS/AVIM Level)

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

AH-

( A s s e m b l e d by GS

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

Category)

item from the higher level of maintenance.

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 availabe from salvage, order it using the FSCM and part number given.

XC-

Installation drawing, diagram, instruction sheet, held 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

FSCM 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 700-42.

(2) Maintenance Code. Maintenance codes tells 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:

(a) The maintenance code entered in the third position tells you the lowest maintenance level

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

dicate authorization to one of the following levels of maintenance.

Change 5