AF-Item to be assembled at direct support maintenance
This manual lists spares and repair parts; special tools;
special test, measurement, and diagnostic equipment
XA-Item is not procured or stocked because the
(TMDE), and other special support equipment required
replacement of the next higher assembly.
for performance of organizational and direct support
XD-A support item that is not stocked. When required,
maintenance of the TS-2973A/APS-94D. It authorizes
item will be procured through normal supply
the requisitioning and issue of spares and repair parts as
indicated by the source and maintenance codes.
Cannibalization or salvage may be
This Repair Parts and Special Tools List is divided into
used as a source of supply for any
the following sections:
items source coded above except
a. Section II. Repair Parts List. A list of spares
those coded XA and aircraft support
and repair parts authorized for use in the performance of
items as restricted by AR 700-42.
maintenance. The list also includes parts which must be
removed for replacement of the authorized parts. Parts
(2) Maintenance code. Maintenance codes
lists are composed of functional groups in numeric
are assigned to indicate the levels of maintenance
sequence, with the parts in each group listed in figure
authorized to USE and REPAIR support items. The
and item number sequence.
maintenance codes are entered in the third and fourth
b. Section III. Special Tools List. Not applicable.
positions of the Uniform SMR Code format as follows:
c. Section IV. National Stock Number and Part
(a) The maintenance code entered in the
Number Index. A list, in National item identification
third position will indicate the lowest maintenance level
number (NIIN) sequence, of all National stock numbers
authorized to remove, replace, and use the support item.
(NSN) appearing in the listings, followed by a list, in
The maintenance code entered in the third position will
alphameric sequence, of all part numbers appearing in
indicate one of the following levels of maintenance:
the listings. National stock numbers and part numbers
are cross-referenced to each illustration figure and item
O-Support item is removed, replaced, used at the
Explanation of Columns
F-Support item is removed, replaced, used at the direct
a. Illustration. This column is divided as follows:
Figure number. Indicates the
D-Support items that are removed, replaced, used at
figure number of the illustration on which the item is
depot, mobile depot, specialized repair activity only.
Item number. The number used
b. The maintenance code entered in
to identify item called out in the illustration.
the fourth position indicates whether the item is to be
b. Source, Maintenance, and Recoverability (SMR)
repaired and identifies the lowest maintenance level with
the capability to perform complete repair (i.e., all
Source code. Source codes
authorized maintenance functions). This position will
indicate the manner of acquiring support items for
contain one of the following maintenance codes:
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
F-The lowest maintenance level capable of complete
repair of the support item is the direct support level.
PA-Item procured and stocked for anticipated or known