(1) Source code . Source codes indicate the manner
of acquiring support items for maintenance, repair, or
This manual lists spares and repair parts; special tools;
overhaul of end items. Source codes are entered in the
special test. measurement. and diagnostic equipment
first and second positions of the Uniform SMR Code
(TMDE). and other special support equipment required
format as follows:
for performance of organizational maintenance of the
OA 1394 GRC.
It authorizes the requisitioning and issue of spares and
PA-- Item procured and stocked for anticipated or
repair parts as indicated by the source and mainte nance
XD-- A support item that is not stocked. When re quired,
item will be procured through normal supply
This Repair Parts and Special Tools lists is divided into
the following sections:
Cannibalization or salvage may be used as a
source of supply for any items source coded
repair parts authorized for use in the performance of
above except those coded XA and aircraft
maintenance. The list also includes parts which must be
support items as restricted by AR 700-42.
removed for replacement of the authorized parts. Parts
lists are composed of functional groups in numeric s e-
quence, with the parts in each group listed in figure and
(2) Maintenance code. Maintenance codes are as -
item number sequence.
signed to indicate the levels of maintenance authorized
b: Section III. Special Tools List Not applicable.
to USE and REPAIR support items. The maintenance
codes are entered in the third and fourth positions of the
Uniform SMR Code format as follows:
Number Index. A list, in National item identification
(a) The maintenance code entered in the third p o-
number (NIIN) sequence. of all National stock numbers
sition will indicate the lowest maintenance level
(NSN) appearing in the listings, followed by a list, in.
authorized to remove, replace, and use the support item.
alphameric sequence, of all part numbers appearing in
The maintenance code entered in the third position will
the listings. National stock numbers and part numbers
ind icate one of the following levels of maintenance:
are cross-referenced to each illustration figure and item
3. Explanation of Columns
O-- Support item is removed, replaced, used at the or-
a. Illustration This column is divided as follows:
(1) Figure number. Indicates the figure number of
(b) The maintenance code entered in the fourth
the illustration on which the item is shown.
position indicates whether the item is to be repaired and
identifies the lowest maintenance level with the capabi l-
(2) Item number. The number used to identify item
ity to perform complete repair (i.e., all authorized
called out in the illustration.
maintenance functions). This position will contain one
of the following maintenance codes:
b. Source. Maintenance and Recoverability (SMR)