Explanation of Columns - TM-5-4120-282-130082

D-3.

Explanation of Columns

The following provides an explanation of columns in the tabular

lists in Sections II through VII.

Note: Common hardware items known to be readily available in

Army supply channels are assigned Maintenance codes only. Source

codes, Recoverability codes, and Maintenance Allowances are not

assigned this category.

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

(1) Source Code. Indicates the selection status and source

for the listed item. Source codes used are:

Code

Explanation

Applied to repair parts which are stocked in or supplied

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

use at indicated maintenance categories.

Applied to repair parts which are procured and stocked

for insurance purposes because the combat or military

essentiality of the end item dictates that a minimum

quantity be available in the supply system.

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 indite.ted 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.

D-2