TM 11-5840-293-20P
INTRODUCTION
SMR Code format as follows:
1. Scope
Code
Definition
This manual lists spares and repair parts; special tools;
PA--Item procured and stocked for anticipated or known
special test, measurement, and diagnostic equipment
usage.
(TMDE), and other special support equipment required
PD--Support item, excluding support equipment,
for performance of organizational maintenance of the
procured for initial issue or outfitting and stocked
AN/FPN-40. It authorizes the requisitioning and issue of
only for subsequent or additional initial issues or
spares and repair parts as indicated by the source and
Not
subject
to
automatic
maintenance codes.
replenishment.
XD--A support item that is not stocked. When required,
2. General
item will be procured through normal supply
This Repair Parts and Special Tools List is divided into
channels.
the following sections:
NOTE
a. Section II. Repair Parts List. A list of spares
Cannibalization or salvage may be used as a
and repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be
source of supply for any items source coded
removed for replacement of the authorized parts. Parts
above except those coded XA and aircraft
lists are composed of functional groups in numeric
support items as restricted by AR 700-42.
sequence, with the parts in each group listed in figure
and item. number sequence.
(2) Maintenance code. Maintenance codes are
b. Section II. Special Tools List. Not applicable.
assigned to indicate the levels of maintenance
authorized to USE and REPAIR support items. The
c. Section IV. National Stock Number and Part
maintenance codes are entered in the third and fourth
Number Index. A list, in National item identification
positions of the Uniform SMR Code format as follows:
number (NIIN) sequence, of all National stock numbers
(a) The maintenance code entered in the third
(NSN) appearing in the listings, followed by a list, in
position will indicate the lowest maintenance level
alphanumeric sequence, of all part numbers appearing in
authorized to remove, replace, and use the support item.
the listings. National stock numbers and part numbers
The maintenance code entered in the third position will
are cross-referenced to each illustration figure and item
indicate one of the following levels of maintenance:
number appearance.
Code
Application/Explanation
3. Explanation of Columns
C--Crew or operator maintenance performed within
a. Illustration. This column is divided as follows:
organizational maintenance.
(1) Figure number.
Indicates the figure
O--Support item is removed, replaced, used at the
number of the illustration on which the item is shown.
organizational level.
(2) Item number. The number used to identify
item called out in the illustration.
(b) The maintenance code entered in the fourth
b. Source, Maintenance, and Recoverability
position indicates whether the item is to be repaired and
(SMR) Codes.
identifies the lowest maintenance level with the capability
(1) Source code. Source codes indicate the
to perform complete repair (i.e., all authorized
manner of acquiring support items for maintenance,
maintenance functions). This position will contain one of
repair, or overhaul of end items. Source codes are
the following maintenance codes:
entered in the first and second positions of the Uniform
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