TM 11-5805-574-24P
SECTION I
INTRODUCTION
1. Scope
This manual lists spares and repair parts; special tools; special test, measurement, and diagnostic equipment
(TMDE), and other special support equipment required for performance of organizational, direct support, and
general support maintenance of the AN/TSC-58 and AN/TSC-58A. It authorizes the requisitioning and issue of
spares and repair parts as indicated by the source and maintenance codes.
2. General
This Repair Parts and Special Tools List is divided into the following sections:
a. Section II. Repair Parts List. A list of spares and repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be removed for replacement of the authorized parts.
Parts lists are composed of functional groups in numeric sequence, with the parts in each group listed in figure
and item number sequence.
b. Section III. Special Tools List. Not applicable.
number (NIIN) sequence, of all National stock numbers (NSN) appearing in the listings, followed by a list, in
alphameric sequence, of all part numbers appearing in the listings. National stock numbers and part numbers
are cross-referenced to each illustration figure and item number appearance.
3. Explanation of Columns
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of the illustration on which the item is shown.
(2) Item number. The number used to identify item called out in the illustration.
b. Source, Maintenance, and Recoverability (SMR) Codes.
(1) Source code. Source codes indicate the manner of acquiring support items for maintenance,
repair, or overhaul of end items. Source codes are entered in the first and second positions of the Uniform
SMR Code format as follows:
Code
Definition
PA-
Item procured and stocked for anticipated or known usage.
PD-
Support item, excluding support equipment, procured for initial issue or outfitting and
stocked only for subsequent or additional initial issues or outfittings. Not subject to
automatic replenishment.
MD-
Item to be manufactured or fabricated at the depot maintenance level.
XA-
Item is not procured or stocked because the requirements for the item will result in the
replacement of the next higher assembly.
XB-
Item is not procured or stocked. If not available through salvage, requisition.
XD-
A support item that is not stocked. When required, item will be procured through
normal supply channels.
NOTE
Cannibalization or salvage may be used as a source of supply for any items source
coded above except those coded XA and aircraft support items as restricted by AR
700-42.
(2) Maintenance code. Maintenance codes are assigned to indicate the levels of maintenance authorized
to USE and REPAIR support items. The maintenance codes are entered in the third and fourth positions of the
Uniform SMR Code format as follows:
(a) The maintenance code entered in the third position will indicate the lowest maintenance level
authorized to remove, replace, and use the support item. The maintenance code entered in the third position
will indicate one of the following levels of maintenance:
Code
Application/Explanation
O-
Support item is removed, replaced, used at the organizational level.
F-
Support item is removed, replaced, used at the direct support level.
H-
Support item is removed, replaced, used at the general support level.
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