This manual lists spares and repair parts; special tools;
stocked only for subsequent or additional initial
special test, measurement, and diagnostic equipment
issues or outfittings. Not subject to automatic
(TMDE), and other special support equipment required
for performance of direct support maintenance of the
MD- Item to be manufactured or fabricated at the depot
AN/ASC-15A(V)l and (V)2.
It authorizes the
requisitioning and issue of spares and repair parts as
AF- Item to be assembled at direct support maintenance
indicated by the source and maintenance codes.
XB- Item is not procured or stocked. If not available
This Repair Parts and Special Tools List is divided into
through salvage, requisition.
the following sections:
a. Section II. Repair Parts List. A list of spares
Cannibalization or salvage may be used as
and repair parts authorized for use in the performance of
a source of supply for any items source
maintenance. The list also includes parts which must be
coded above except those coded XA and
removed for replacement of the authorized parts. Parts
aircraft support item as restricted by AR
lists are composed of functional groups in numeric
sequence, with the parts in each group listed in figure
(2) Maintenance code. Maintenance codes are
and item number sequence.
assigned to indicate the levels of maintenance au-
Special Tools List.
thorized to USE and REPAIR support items. The
maintenance codes are entered in the third and fourth
c. Section IV. National Stock Number and Part
positions of the Uniform SMR Code format as follows:
Number Index. A list, in National item identification
(a) The maintenance code entered in the third
number (NIIN) sequence, of all National stock numbers
position will indicate the lowest maintenance level
(NSN) appearing in the listings, followed by a list, in
authorized to remove, replace, and use the support item.
alphameric sequence, of all part numbers appearing in
The maintenance code entered in the third position will
the listings. National stock numbers and part numbers
indicate one of the following levels of maintenance:
are cross-referenced to each illustration figure and item
3. Explanation of Columns
O-- Support item is removed, replaced, used at the
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of
F-- Support item is removed, replaced, used at this direct
the illustration on which the item is shown.
(2) Item number. The number used to identify item
(b) The maintenance code entered in the fourth
called out in the illustration.
positions indicates whether the item is to be repaired and
b. Source, Maintenance, and Recoverability (SMR)
identifies the lowest maintenance level with the capability
to perform complete repair (i.e., all authorized
(1) Source code. Source codes indicate the manner
maintenance functions). This position will contain one of
of acquiring support items for maintenance, repair, or
the following maintenance codes:
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.
D- The lowest maintenance level capable of complete
PA- Item procured and stocked for anticipated or known
repair of the support item is the depot level.
Support item, excluding support equipment,
procured for initial issue or outfitting and
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