b. Source, Maintenance, and Recoverability (SMR)
This manual lists spares and repair parts; special tools;
special test, measurement, and diagnostic equipment
(1) Source code. Source codes indicate the manner
(TMDE), and other special support equipment required
of acquiring support items for maintenance, repair, or
for performance of organizational, direct support, and
overhaul of end items. Source codes are entered in the
general support maintenance of the ME-202 B/U. It
first and second positions of the Uniform SMR Code
authorizes the requisitioning and issue of spares and
format as follows:
repair parts as indicated by the source and maintenance
This Repair Parts and Special Tools List is divided into
the following sections:
PA-Item procured and stocked for anticipated or
XD-A support item that is not stocked. When
repair parts authorized for use in the performance of
not required, item will be procured through
maintenance. The list also includes parts which must be
normal supply channels.
removed for replacement of the authorized parts. Parts
lists are composed of functional groups in numeric
sequence, with the parts in each group listed in figure and
item number sequence.
b. Section III. Special Tools List. Not applicable.
c. Section IV. National Stock Number and Part
Cannibalization or salvage may be used as a
Number Index. A list, in National item identification
source of supply for any items source coded
number (NIIN) sequence, of all National stock numbers
above except those coded XA and aircraft
(NSN) appearing in the listings, followed by a list, in
support items as restricted by AR 700-42.
alphameric sequence, of all part numbers appearing in
the listings. National stock numbers and part numbers
are cross-referenced to each illustration figure and item
Maintenance codes are
(2) Maintenance code.
assigned to indicate the levels of maintenance authorized
3. Explanation of Columns
to USE and REPAIR support items. The maintenance
codes are entered in the third and fourth positions of the
a. Illustration. This column is divided as follows:
Uniform SMR Code format as follows:
(1) Figure number. Indicates the figure number of
the illustration on which the item is shown.
(a) The maintenance code entered in the third
position will indicate the lowest maintenance level
authorized to remove, replace, and use the support item.
The maintenance code entered in the third position will
(2) Item number. The number used to identify item
indicate one of the following levels of maintenance:
called out in the illustration.