Maintenance Code - TM-55-4920-411-13-P0058

TM 55-4920-411-13&P

CODE

Explanation

MO-

(Made

at org/AVUM

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

Level)

dividually. They must be made from bulk material which is iden-

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-

(Assembled 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)

Do not requisition an "XA''-coded item. Order its next higher assembly. (Also, refer to the

XA-

NOTE below.)

If an "XB" item is not available from salvage, order it using the FSCM and part number given.

XB-

XC-

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

manufacturer's part number.

Item is not stocked. Order an "XD''-coded item through normal supply c h a n n e l s u s i n g t h e

XD-

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) T h e m a i n t e n a n c e c o d e e n t e r e d i n t h e t h i r d p o s i t i o n t e l l s y o u t h e l o w e s t m a i n t e n a n c e l e v e l

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 1 C-3