Explanation of Columns
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
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:
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
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 .