INTRODUCTION
only for subsequent or additional initial issues
1. Scope
or outfittings. Not subject to automatic replen-
This manual lists spares and repair parta; special tools;
ishment.
special test, measurement, and diagnostic equipment
xA-Item is not procured or stocked because the re-
(TMDE), and other special support equipment required
quirements for the item will result in the re-
for performance of organizational, direct support, and
placement of the next higher assembly.
general support maintenance of the SG-1144/U. It au-
XD--A support item that is not stocked. When re-
thorizes the requisitioning and issue of spares and re-
quired, item will be procured through normal
pair parts as indicated by the source and maintenance
supply channels.
codes,
NOTE
2. General
Cannibalization or salvage may be used as a
source of supply for any items source coded
This Repair Parts and Special Tools List is divided into
above except those coded XA and aircraft
the following sections:
support items as restricted by AR 700-42.
repair parts authorized for use in the performance of
(2) Maintenance code, Maintenance codes are as-
maintenance. The list also includes parta which must
signed to indicate the levels of maintenance authorized
be removed for replacement of the authorized parts.
to USE and REPAIR support items. The maintenance
Parts lists are composed of functional groups in nu-
codes are entered in the third and fourth positions of
meric sequence, with parts in each group listed in fig-
the Uniform SMR Code format as follows:
ure and item number sequence.
(a) The maintenance code entered in the third
b. Section Ill Special Tools List. Not applicable.
position will indicate the lowest maintenance level au-
c. Section IV. National Stock Number and Part
thorized to remove, replace, and use the support item.
Number Index. A list, in National item identification
The maintenance code entered in the third position
number (NIIN) sequence, of all National stock num-
will indicate one of the following levels of mainte-
bers (NSN) appearing in the listings, followed by a list,
nance:
in alphameric sequence, of all part numbers appearing
Application/Explanation
Code
in the listings. National stock numbers and part num-
O-- Support item is removed, replaced, used at the or-
bers are cross-referenced to each illustration figure
ganizational level.
and item number appearance.
H Support item is removed, replaced, used at the
general support level.
3. Explanation of Columns
(b) The maintenance code entered in the fourth
a. Illustration. This column is divided as follows:
position indicates whether the item is to be repaired
(1) Figure number. Indicates the figure number of
the illustration on which the item is shown.
and identifies the lowest maintenance level with the
(2) Item number, The number used to identify
capability to perform complete repair (i.e., all author-
item called out in the illustration.
ized maintenance functions). This position will contain
b. Source, Maintenance, and Recoverability (SMR)
one of the following maintenance codes:
Codes.
Application/Explanation
Code
(1) Source code. Source codes indicate the manner
H--The lowest maintenance level capable of complete
of acquiring support items for maintenance, repair, or
repair of the support item is the general support
overhaul of end items. Source codes are entered in the
level.
first and second positions of the Uniform SMR Code
Z Nonreparable. No repair is authorized.
format as follows:
(3) Recovembility code. Recoverability codes are
Code
Definition
PA-- Item procured and stocked for anticipated or
assigned to support items to indicate the disposition
known usage.
action on unserviceable items. The recoverability code
PD-- Support item, excluding support equipment, pro-
is entered in the fifth position of the Uniform SMR
cured for initial issue or outfitting and stocked
Code format as follows:
