Maintenance Code - TM-10-3930-633-24P0008

TM 10-3930-633-24P

Code

Application/Explanation

XC -

Installation drawing, diagram, instruction sheet,

field service drawing, that is identified by the

Stocked items; use the applicable NSN to

manufacturer's part number.

request/requisition items with these source

XD -

Item is not stocked. Order an "XD"-coded item

codes. They are authorized to the category

through normal supply channels using the CAGE and

indicated by the code entered in the 3d position

part number given, if no NSN is available.

of the SMR code.

NOTE: Cannibalization or controlled exchange, when

authorized, may be used as a source of supply for items

** Items coded PC are subject to deterioration.

with the above source codes, except for those source

coded "XA" or those aircraft support items restricted by

Items with these codes are not to be

requirements of AR 700-42.

(2) Maintenance Code.

Maintenance

requested/requisitioned individually. They are

part of a kit which is authorized to the

codes tell you the level(s) of maintenance authorized to

maintenance category indicated in the 3d

USE and REPAIR support items. The maintenance

position of the SMR code. The complete kit

codes are entered in the third and fourth positions of the

must be requisitioned and applied.

SMR code as follows:

(a) The maintenance code entered in

Items with these codes are not to be

the third position tells you the lowest maintenance level

MO-Made at

requested/requisitioned individually.

authorized to remove, replace, and use an item. The

UM/AVUM

They must be made from bulk

maintenance code entered in the third position will

Level)

material which is identified by the

indicate authorization to one of the following levels of

MF-(Made at

part number in the DESCRIPTION

maintenance.

DS/AVUM

AND USABLE ON CODE (UOC)

Code

Application/Explanation

Level)

column and listed in the Bulk

C-

Crew or operator maintenance done within nit

MH-(Made at GS

Material group of the repair parts list

maintenance or aviation unit maintenance.

Level)

in this RPSTL If the item is

O-

Unit maintenance or aviation unit category can

ML-(Made at

authorized to you by the 3d position

remove, replace, and use the item.

Specialized

code of the SMR code, but the

F-

Direct support or aviation intermediate level can

Repair

source code indicates it is made at

remove, replace, and use the item.

Activity

a higher level, order the item from

H-

General support level can remove, replace, and

(SRA))

the higher level of maintenance.

use the item.

MD-(Made at

L-

Specialized repair activity can remove, replace,

Depot)

AO-(Assembled

Items with these codes are not to be

and use the item.

by UM/AVUM

requested/requisitioned individually.

D-

Depot level can remove, replace, and use the

Level)

The parts that make up the

item.

AF-(Assembled

assembled

item

must

(b) The maintenance code entered in

by DS/AVIM

requisitioned or fabricated and

the fourth position tells whether or not the item is to be

Level)

assembled

the

level

repaired and identifies the lowest maintenance level with

AH-(Assembled

maintenance indicted by the source

the capability to do complete repair (i.e., perform all

by GS

code. If the 3d position code of the

authorized repair functions). (NOTE: Some limited repair

Category)

SMR code authorizes you to replace

may be done on the item at a lower level of maintenance,

AL-(Assembled by

the item, but the source code

if authorized by the Maintenance Allocation Chart (MAC)

SRA)

indicates the item is assembled at a

and SMR codes.) This position will contain one of the

AD-(Assembled

higher level, order the item from the

following maintenance codes:

by Depot)

higher level of maintenance.

Code

Application/Explanation

O-

Unit maintenance or aviation unit is the lowest

level that can do complete repair of the item.

XA -

Do not requisition an "XA"-

F-

Direct support or aviation intermediate is the

coded item. Order its next higher assembly.

lowest level than can do complete repair of the

(Also refer to the NOTE following )

item.

XB -

If an "XB" item is not available from salvage,

order it using the CAGE and part number given.