TM
11-6625-599-40P-1
SECTION I
INTRODUCTION
Definition
Code
1. Scope
PA Item procured and stocked for anticipated or
This manual lists spares and repair parts; special
known usage.
tools; special test, m e a s u r e m e n t , and diagnostic
XD A support item that is not stocked. When re-
equipment (TMDE), and other special support
quired, item will be procured through normal sup-
equipment required for performance of general sup-
ply channels.
port maintenance of the AN/USM-98A. It author-
NOTE
izes the requisitioning and issue of spares and repair
parts as indicated by the source and maintenance
Cannibalization or salvage may be used as
codes.
a source of supply for any items source
coded above except those coded XA and
2. General
aircraft support items as restricted by AR
700-42.
This Repair Parts and Special Tools List is divided
(2) Maintenance code. Maintenance codes are
into the following sections:
assigned to indicate the levels of maintenance au-
a. Section II. Repair Parts List. A list of spares
thorized to USE and REPAIR support items. The
and repair parts authorized for use in the perform-
m a i n t e n a n c e codes are entered in the third and
ance of maintenance. The list also includes parts
fourth positions of the Uniform SMR Code format as
which must be removed for replacement of the au-
follows:
thorized parts. Parts lists are composed of function-
(a) The maintenance code entered in the
al groups in numeric sequence, with the parts in
third position will indicate the lowest maintenance
each group listed in figure and item number se-
level authorized to remove, replace, and use the sup-
quence.
p o r t item. The maintenance code entered in the
b. Section III. Special Tools List. Not applicable.
third position will indicate one of the following
c. Section IV. National Stock Number and Part
levels of maintenance:
Number Index. A list, in National item identifica-
Application/Explanation
Code
tion number (NIIN) sequence, of all National stock
O Support item is removed, replaced, used at the
numbers (NSN) appearing in the listings, followed
organizational level.
by a list, in alphanumeric sequence, of all part numbers
H Support item is removed, replaced, used at the
appearing in the listings. National stock numbers
general support level.
and part numbers are cross-referenced to each illus-
tration figure and item number appearance.
(b) The maintenance code entered in the
fourth position indicates whether the item is to be
3. Explanation of Columns
repaired and identifies the lowest maintenance level
with the capability to perform complete repair (i.e.,
a. Illustration. This column is divided as follows:
all authorized maintenance functions). This position
(1) F i g u r e n u m b e r . I n d i c a t e s t h e f i g u r e
will contain one of the following maintenance codes:
number of the illustration on which the item is
Code
Application/Explanation
shown.
H The lowest maintenance level capable of com-
(2) Item number. The number used to identify
plete repair of the support item is the general sup-
item called out in the illustration.
port level.
b. Source, Maintenance, and Recoverability
Z Nonreparable. No repair is authorized.
(SMR) Codes.
(3) Recoverability code. Recoverability codes
(1) Source code. Source codes indicate the man-
are assigned to support items to indicate the dispo-
ner of acquiring support items for maintenance,
sition action on unserviceable items. The recovera-
repair, or overhaul of end items. Source codes are
bility code is entered in the fifth position of the
e n t e r e d in the first and second positions of the
Uniform SMR Code format as follows:
Uniform SMR Code format as follows:
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