support level. This section is arranged in figure and item number sequence. Items appearing more than once in an
assembly will be repeated to show relationship to the illustration. The illustrations appear in the narrative portion of this
b. Special Tools and Test Equipment - Section III. Not applicable.
c. Federal Stock Number and Reference Number Indexes - Section IV.
This section is divided as follows:
(1) A list of Federal stock numbers in ascending numerical sequence, cross-referenced to illustration figure
number and item number.
(2) A list of reference numbers in ascending alpha-numerical sequence, cross-referenced to illustration figure
number, item number and Federal supply code for manufacturer.
3. Explanation of Columns
The following provides an explanation of columns in the tabular lists in Sections II and III.
a. Source, Maintenance and Recoverability Codes (SMR) - Column 1. (Common hardware type items are not assigned
(1) Source code indicates the selection status and source for the listed item.
Applies to repair parts which are stocked in or supplied from the GSA/DSA, or Army support system and
authorized for use at indicated maintenance categories.
Applies to repair parts which are not procured or stocked, the requirement for which will be supplied by
use of next higher assembly or component.
Applies to repair parts which are not stocked. The indicated maintenance category requiring such repair
parts will attempt to obtain through cannibalization; if not obtainable through cannibalization, such repair
parts will be requisitioned with accompanying justification through normal supply channels.
(2) Maintenance code indicates the lowest category of maintenance authorized to install the listed item. Capabilities of
higher maintenance categories are considered equal or better.