Explanation of Columns - TM-5-4320-249-140078

Explanation of Columns

C-3.

The following provides an explanation of columns in the tabular

lists in Sections II through VI:

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

Common hardware items known to be readily available in

NOTE :

Army supply channels are assigned Maintenance codes only. Source

c o d e s , R e c o v e r a b i l i t y c o d e s , and Maintenance AlIowances are not

assigned this category.

Indicates the selection status and source

(1) Source Code.

for the listed item. Source codes used are:

Explanation

Code

Repair parts which are stocked in or supplied from the

GSA/DSA, or Army supply system and authorized for use at

indicated maintenance categories.

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.

Repair parts which are not procured or stocked, but are

to be manufactured in indicated maintenance levels.

Assemblies which are not procured or stocked as such,

but are made up of two or more units. Such component units

carry individual stock numbers and descriptions, are

procured and stocked separately and can be assembled to

form the required assembly at indicated maintenance

categories.

Parts and assemblies which are not procured or stocked

and the mortality of which normally is below that of the

applicable end item or component. The failure of such

part or assembly should result in retirement of the end

item from the supply system.

Repair parts which are not procured or stocked. The

requirement of such items will be filled by use of the

n e x t h ig h e r a s s e m b l y o r c o m p o n e n t .

C-2