TM 11-6625-3055-24P
INTRODUCTION
Code
Definition
1. Scope
XA Item is not procured or stocked because the
This manual lists spares and repair parts, special tools,
requirements for the item will result in the
special test, measurement, and diagnostic equipment
replacement of the next higher assembly.
(TMDE), and other special support equipment required
XB -- Item is not procured or stocked. If not available
for the performance of organizational, direct support,
through salvage, requisition.
and general support maintenance of the AN/USM-
486/U. It authorizes the requisitioning and issue of spares
NOTE
Cannibalization or salvage may be used as a
a n d repair parts as indicated by the source and
source of supply for any items source coded
maintenance codes.
above except those coded XA and aircraft
support items as restricted by AR 750-1.
2. General
(2) Maintenance code. Maintenance codes are
This Repair Parts and Special Tools List is divided into
assigned to indicate the levels of maintenance authorized
the following sections:
to USE and REPAIR support items. The maintenance
codes are entered in the third and fourth positions of the
repair parts authorized for use in the performance of
Uniform SMR Code format as follows:
maintenance. The list also includes parts which must be
(a) The maintenance code entered in the third
removed for replacement of the authorized parts. Parts
position will indicate the lowest maintenance level that is
lists are composed of functional groups in numeric
authorized to remove, replace, and use the support item.
sequence, with the parts in each group listed in figure and
The maintenance code entered in the third position will
item number sequence.
indicate one of the following levels of maintenance:
b. Section III. Special Tools List. Not applicable.
Definition
Code
c. National Stock Number and Part Number Index. A
H -- Support item is removed, replaced, used at the
list, in National Item Identification Number (NIIN)
general support level.
sequence, o f all National Stock Numbers (NSN)
O -- Support item is removed, replaced, used at the
appearing in the listings, followed by a list, in alphanumeric
organizational level.
sequence, of all part numbers appearing in the listings.
National Stock Numbers and part numbers are cross-
position indicates whether the item is to be repaired and
referenced to each illustration figure and item number
identifies the lowest maintenance level with the capability
appearance.
t o perform complete repair (i.e., all authorized
maintenance functions). This position will contain one of
3. Explanation of Columns
the following maintenance codes:
a. Illustration. This column is divided as follows:
Code
Explanation/Application
(1) Figure number. Indicates the figure number of
H -- The lowest maintenance level capable of complete
repair of the support item is the general support
the illustration on which the item is shown.
level.
(2) Item number. The number used to identify item
Z -- Nonrepairable. No repair is authorized.
called out in the illustration.
b. Source, Maintenance, and Recoverability (SMR)
(3) Recoverability code. Recoverability codes are
Codes.
assigned to support items to indicate the disposition
(1) Source code. Source codes indicate the manner of
action on unserviceable items. The recoverability code is
acquiring support items for maintenance, repair, or
entered in the fifth position of the Uniform SMR Code
format as follows:
overhaul of end items. Source codes are entered in the
first and second positions of the Uniform SMR Code
Code
Definition
H -- Repairable item. When uneconomically repairable,
format as follows:
condemn and dispose at the general support level.
Definition
Code
PA -- Item procured and stocked for anticipated or
Z -- Nonrepairable item. When unserviceable, condemn
known usage.
and dispose at the level indicated in position 3.
