TM 11-6625-2575-24P
INTRODUCTION
1. Scope
(2) Maintenance code. Maintenance codes are
assigned to indicate the levels of maintenance authorized
This manual lists spares and repair parts; special tools;
to USE and REPAIR support items. The maintenance
special test, measurement, and diagnostic equipment
(TMDE), and other special support equipment required
codes are entered in the third and fourth positions of the
for performance of organizational, direct support, and
Uniform SMR Code format as follows:
(a) The maintenance code entered in the third
general support maintenance of the AN/USM-203A. It
position will indicate the lowest maintenance level
authorizes the requisitioning and issue of spares and repair
authorized to remove, replace, and use the support item.
parts as indicated by the source and maintenance codes.
The maintenance code entered in the third position will
2. General
indicate one of the following levels of maintenance:
This Repair Parts and Special Tools List is divided into the
Application/Explanation
Code
following sections:
O -Support item is removed, replaced, used at the
organizational level.
repair parts authorized for use in the performance of
H -Support item is removed, replaced, used at the
maintenance. The list also includes parts which must be
general support level.
removed for replacement of the authorized parts. Parts
D -Support items that are removed, replaced, used at
lists are composed of functional groups in numeric se-
depot, mobile depot, specialized repair activity
quence, with the parts in each group listed in figure and
only.
item number sequence.
(b) The maintenance code entered in the fourth
b. Section III. Special Tools List. Not applicable.
position indicates whether the item is to be repaired and
c. Section IV. National Stock Number and Part Num-
identifies the lowest maintenance level with the capability
ber Index. A list, in National item identification number
to perform complete repair (i.e., all authorized mainte-
(NIIN) sequence, of all National stock numbers (NSN)
nance functions). This position will contain one of the
appearing in the listings, followed by a list, in alphameric
following maintenance codes:
sequence, of all part numbers appearing in the listings.
Application/Explanation
Code
National stock numbers and part numbers are cross-
H -The lowest maintenance level capable of complete
-referenced to each illustration figure and item number ap-
repair of the support item is the general support
pearance.
level.
3. Explanation of Columns
D -The lowest maintenance level capable of complete
a. Illustration. This column is divided as follows:
repair of the support item is the depot level.
(1) Figure number. Indicates the figure number of
Z -Nonreparable. No repair is authorized.
the illustration on which the item is shown.
(3) Recoverability code. Recoverability codes are
(2) Item number. The number used to identify item
assigned to support items to indicate the disposition action
called out in the illustration.
on unserviceable items. The recoverability code is entered
b. Source, Maintenance, and Recoverability (SMR)
in the fifth position of the Uniform SMR Code format as
Codes.
follows
(1) Source code. Source codes indicate the manner
Recoverability
of acquiring support items for maintenance, repair, or
Definition
codes
Z -Nonreparable item. When unserviceable, condemn
overhaul of end items. Source codes are entered in the
and dispose at the level indicated in position 3.
first and second positions of the Uniform SMR Code for-
H -Reparable item. When uneconomically reparable,
mat as follow
condemn and dispose at the general support
Definition
Code
level.
PA -Item procured and stocked for anticipated or known
D -Reparable item. When beyond lower level repair
capability, return to depot. Condemnation and
XD -A support item that is not stocked. When required,
disposal not authorized below depot level.
item will be procured through normal supply
L -Reparable item. Repair, condemnation, and dis-
channels.
posal not authorized below depot/specialized
NOTE
repair activity level.
Cannibalization or salvage may be used as a
c. National Stock Number. Indicates the National stock
source of supply for any items source coded
number assigned to the item and will be used for requisi-
above except those coded XA and aircraft sup-
tioning purposes.
port items as restricted by AR 700-42.