Maintenance Code - TM-5-6350-264-14-P-40049

TM 5-6350-264-14&P-4

NAVELEX EE 181-AA-OMI-050/E 121 DT546 M9442

TO 31S9-2FSS9-1-4

Code

Explanation

AO-(Assembled by org/

Items with these codes are not to be requested/requisitioned

AVUM Category)

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

AF-(Assembled by DS/

requisitioned or fabricated and assembled at the category of mainte-

AVIM Category)

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

AH-(Assembled by

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

GS Category)

the item is assembled at a higher category, order the item from the

AD-(Assembled by

higher category of maintenance.

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

XC-

Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufac-

turer'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 tell you the category(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 category authorized to remove,

replace, and use an item. The maintenance code entered in the third position will indicate authorization to one of the following

categories of maintenance.

Code

Application/Explanation

- Crew or operator maintenance done within organizational or

aviation unit maintenance.

- Organizational or aviation unit category can remove, replace,

and use the item.

- Direct support or aviation intermediate category can remove,

replace, and use the item.

- General support category can remove, replace, and use the item.

- Specialized repair activity can remove, replace, and use the item.

- Depot category can remove, replace, and use the item.

Change 1 C-3