Maintenance Code - TM-10-3930-624-24P0011

TM 10-3930-624-24P

TM 10-3930-624-24P

XC-

Installation drawing, diagram, instruction

Code

Application/Explanation

sheet, field service drawing, that is identified

Stocked items; use the applicable NSN to

by the manufacturer's part number.

request/requisition items with these source

XD -

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

PC**

codes. They are authorized to the category

item through normal supply channels using

indicated by the code entered in the 3d

the CAGE and part number given, if no NSN

position of the SMR code.

is available.

NOTE: Cannibalization or controlled exchange, when

** Items coded PC are subject to

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

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.

requested/requisitioned individually. They

(2) Maintenance Code. Maintenance codes tell

are part of a kit which is authorized to the

you the level(s) of maintenance authorized to USE and

maintenance category indicated in the 3d

REPAIR support items. The maintenance codes are en-

position of the SMR code. The complete kit

tered in the third and fourth positions of the SMR code as

must be requisitioned and applied.

follows:

(a) The maintenance code entered in the

MO-(Made at UM/

Items with these codes are not to

third position tells you the lowest maintenance level

AVUM Level)

be requested/requisitioned

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

MF-(Made at DSI

individually. They must be made

maintenance code entered in the third position will indi-

AVUM Level)

from bulk material which is

cate authorization to one of the following levels of

MH-(Made at GS

identified by the part number in

maintenance.

(level)

the DESCRIPTION AND USABLE

ON CODE (UOC) column and

Code

Application/Explanation

ML-(Made at Spe-

listed in the Bulk Material group

C-

Crew or operator maintenance done within

cialized Repair

of the repair parts list in this

unit maintenance or aviation unit mainte-

Activity (SRA))

RPSTL. If the item is authorized

nance.

MD-(Made at

to you by the 3d position code of

O-

Unit maintenance or aviation unit category

Depot)

the SMR code, but the source

can remove, replace, and use the item.

code indicates it is made at a

F-

Direct support or aviation intermediate level

higher level, order the item from

can remove, replace, and use the item.

the higher level of maintenance.

H-

General support level can remove, replace,

Items with these codes are not to

and use the item.

be requested/requisitioned

L-

Specialized repair activity can remove, re-

AO-(Assembled by

individually. The parts that make

place, and use the item.

UMI AVUM

up the assembled item must be

D-

Depot level can remove, replace, and use

Level)

requisitioned or fabricated and

the item.

AF-(Assembled by

assembled at the level of

(b) The maintenance code entered in the

DSIAVIM

maintenance indicted by the

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

Level)

source code. If the 3d position

paired and identifies the lowest maintenance level with

code of the SMR code

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

AH-(Assembled by

authorized repair functions). (NOTE: Some limited re-

GS Category) .

authorizes you to replace the

pair may be done on the item at a lower level of

item, but the source code

maintenance, if authorized by the Maintenance Alloca-

AL-(Assembled by

indicates the item is assembled

tion Chart (MAC) and SMR codes.) This position will

SRA)

at a higher level, order the item

contain one of the following maintenance codes:

AD-(Assembled by

from the higher level of

Code

Application/Explanation

Depot)

maintenance.

O-

Unit maintenance or aviation unit is the low-

XA -

Do not requisition an "XA"-coded item. Or-

est level that can do complete repair of the

der its next higher assembly. (Also refer to

item.

the NOTE following.)

F-

Direct support or aviation intermediate is the

XB -

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

lowest level than can do complete repair of

order it using the CAGE and part number

the item.

given.