TM 11-5855-261-23P
SECTION I
INTRODUCTION
1. Scope
Definition
Code
XAItem is not procured or stocked because the re-
This manual lists spares and repair parts; special tools;
quirements for the item will result in the re-
special test, measurement, and diagnostic equipment
placement of the next higher assembly.
(TMDE), and other special support equipment required
XD-A support item that is not stocked. When re-
for performance of organizational, and direct support
quired, item will be procured through normal
maintenance of the AN/PAQ-4. It authorizes the
supply channels.
requisitioning and issue of spares and repair parts as
indicated by the source and maintenance codes.
NOTE
Cannibalization or salvage may be used as a
2. General
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.
a. Section II. Repair Parts List. A list of spares and
(2) Maintenance code. Maintenance codes are as-
repair parts authorized for use in the performance of
signed to indicate the levels of maintenance authorized
maintenance. The list also includes parts which must
to USE and REPAIR support items. The maintenance
be removed for replacement of the authorized parts.
codes are entered in the third and fourth positions of
Parts lists are composed of functional groups in nu-
the Uniform SMR Code format as follows:
meric sequence, with the parts in each group listed in
(a) The maintenance code entered in the third
figure and item number sequence.
position will indicate the lowest maintenance level au-
b. Section III. Special Tools List. Nonapplicable.
thorized to remove, replace, and use the support item,
c. Section IV. National Stock Number and Part
The maintenance code entered in the third position
Number Index. A list, in National item identification
will indicate one of the following levels of mainte-
number (NIIN) sequence, of all National stock num-
nance:
bers (NSN) appearing in the listings, followed by a list,
Code
in alphameric sequence, of all part numbers appearing
Application/Explanation
C Crew or operator maintenance performed within
in the listings. National stock numbers and part num-
organizational maintenance.
bers are cross-referenced to each illustration figure
OSupport item is removed, replaced, used at the or-
and item number appearance.
ganizational level.
3. Explanation of Columns
F Support item is removed, replaced, used at the di-
rect support level.
a. Illustration. This column is divided as follows:
(b) The maintenance code entered in the fourth
(1) Figure number. Indicates the figure number of
position indicates whether the item is to be repaired
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.
(1) Source code. Source codes indicate the manner
Code
Application/Explanation
O The lowest maintenance level capable of complete
of acquiring support items for maintenance, repair, or
repair of the support item is the organizational
overhaul of end items. Source codes are entered in the
level.
first and second positions of the Uniform SMR Code
F The lowest maintenance level capable of complete
format as follows:
repair of the support item is the direct support
Definition
Code
level.
PAItem procured and stocked for anticipated or
Z Nonreparable. No repair is authorized.
known usage.
(3) Recoverability code. Recoverability codes are
PB-Item procured and stocked for insurance purpose
assigned to support items to indicate the disposition
because essentiality dictates that a minimum
action on unserviceable items. The recoverability code
quantity be available in the supply system.
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