Maintenance Code - TM-5-3815-223-14-P0037

TM5-3815-223-14&P

(1) Source Code. The source code tells you how to get

XB -

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

an item needed for maintenance, repair, or overhaul of

order it using the CAGE and part number

an end item/equipment. Explanations of source codes

given.

follows:

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 item

PC**

codes. They are authorized to the category

through normal supply channels using the

indicated by the code entered in the 3d PE

position ofChe SMRd odet. number given, if no NSN is

t AGE an c par

available.

NOTE: Cannibalization or controlled exchange, when

**items coded PC are subject to

deterioration.

authorized, may be used as source of supply for items

Items with these codes are not to be re

with the above source codes, except for those source

quested/requisitioned individually. They are

coded "XA" or those aircraft support items restricted by

part of a kit which is authorized to the

requirements of AR 700-42.

maintenance category indicated in the 3d

(2) Maintenance Code. Maintenance codes

position of the SMR code. The complete kit

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

must be requisitioned and applied.

and REPAIR support items. The maintenance codes are

entered in the third and fourth positions of the SMR Code

MO-(Made at UM/

Items with these codes are not

as follows:

AVUM Level)

to be requested/requisitioned

(a) The maintenance code entered in

individually. They must be

the third position tells you the lowest maintenance level

MF-(Made at DS/

made from bulk material which

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

AVUM Level)

is identified by the part num

maintenance code entered in the third position will

MH-(Made at GS

ber in the DESCRIPTION

indicate authorization to one of the following levels of

MH-(Made at GS

AND USABLE ON CODE

maintenance.

(UOC) column and listed in

ML-(Made at Spe-

the Bulk Material group of the

Code

cialized Repair

repair parts list in this RPSTL.

O-

Unit maintenance or aviation unit category can

Act (SRA))

If the item is authorized to you

remove, replace, and use the item.

by the 3d position code of the

F-

Intermediate direct support or aviation

MD-(Made at Depot) SMR code, but the source

intermediate level can remove, replace, and

code indicates it is made at a

use the item.

higher level, order the item

H-

Intermediate general support level can

from the higher level of main

remove, replace, and use the item.

tenance.

L-

Specialized repair activity can remove,

replace, and use the item.

AO-(Assembled by

Items with these codes are not

D-

Depot level can remove, replace, and use the

UM/AVUM Level) to be requested/requisitioned

item.

individually. The parts that

AF-(Assembled by

make up the assembled item

(b) The maintenance code entered in

DS/AVIM Level) must be requisitioned or fabri

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

AH-(Assembled by

cated and assembled at the

repaired and identifies the lowest maintenance level with

GS Category

level of maintenance indicated

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

by the source code. If the 3d

authorized repair functions.) (NOTE Some limited repair

AL-(Assembled by

position code of the SMR code

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

SRA)

authorizes you to replace the

if authorized by the Maintenance Allocation Chart (MAC)

item, but the source code indi

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

AD-(Assembled by

cates the item is assembled at

following

maintenance

codes:

Depot)

a higher level, order the item

from the higher level of main

tenance.

Do not requisition an "XA"-coded item.

XA Order its next higher assembly. (Also, refer

to the NOTE below.)

C-2