Source Code - TM-5-4320-254-140072

a. Source, Maintenance, and Recoverability Codes (SMR).

(1) Source Code. Indicates the selection status and source for the listed item. Source coded used are:

Code

Explanation

Applied to repair parts which are stocked in or supplied

from DSA/GSA or Army supply system, and authorized for

use at indicated maintenance categories.

Applied to repair parts which are not procured or stocked

but are to be manufactured at indicated maintenance

categories.

Applied to assemblies which are not procured or stocked

as such but are made up of two or more units, each of

which carry individual stock numbers and descriptions and

are procured and stocked and can be assembled by units

at indicated maintenance categories.

Applied to parts and assemblies which are not procured

or stocked; the mortality of which normally is below that

of the applicable end item; and the failure of which

should result in retirement of the end item from the

supply system.

Applied to repair parts which are not procured or stocked,

the requirement for which will be supplied by use of the

next higher assembly or component.

Applied to repair parts which are not stocked. The in-

dicated maintenance category requiring such repair parts

will attempt to obtain them through cannibalization; if

not obtainable through cannibalization, such repair parts

will be requisitioned with supporting justification

through normal supply channels.

Applied to major assemblies that are procured with PAMA

(Procurement Equipment Missile Army) funds for initial

issue only to be used as exchange assemblies at DSU and GSU

maintenance levels. These assemblies will not be

stocked above DSU and GSU level or returned to depot level.

(2) Maintenance code. Indicates the lowest category of maintenance authorized to install the listed item. The

maintenance codes are:

D-2