(1) Source code. Source codes indicate the
manner of acquiring support items for maintenance,
This manual lists spares and repair parts; special tools;
repair, or overhaul of end items. Source codes are entered
special test, measurement, and diagnostic equipment
in the first and second positions of the Uniform SMR
(TMDE), and other special support equipment required
Code format as follows:
for performance of organizational, direct support, and
general support maintenance of the AN/MAC-73(V). It
PA-- Item procured and stocked for anticipated or known
authorizes the requisitioning and issue of spares and
repair parts as indicated by the source and maintenance
PD-- Support item, excluding support equipment,
procured for initial issue or outfitting and stocked
only for subsequent or additional initial issues or
Not subject to automatic
This Repair Parts and Special Tools List is divided into
the following sections:
XD-- A support item that is not stocked. When required,
a Section II. Repair Parts List. A list of spares and
item will be procured through normal supply
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
Cannibalization or salvage may be used as a
sequence, with the parts in each group listed in figure and
source of supply for any items source coded
item number sequence.
above except those coded XA and aircraft
support items as restricted by AR 700-42.
b. Section III. Special Tools List. Not applicable.
(2) Maintenance code. Maintenance codes are
c. Section IV. National Stock Number and Part
assigned to indicate the levels of maintenance authorized
Number Index. A list, in National item identification
to USE and REPAIR support items. The maintenance
number (NIIN) sequence, of all National stock numbers
codes are entered in the third and fourth positions of the
(NSN) appearing in the listings, followed by a list, in
Uniform SMR Code format as follows:
alphanumeric sequence, of all part numbers appearing in
(a) The maintenance code entered in the third
the listings. National stock numbers and part numbers are
position will indicate the lowest maintenance level
cross-referenced to each illustration figure and item
authorized to remove, replace, and use the support item.
The maintenance code entered in the third position will
Explanation of Columns
indicate one of the following levels of maintenance:
a. Illustration. This column is divided as follows:
C -- Crew or operator maintenance performed
(1) Figure number. Indicates the figure number
of the illustration on which the item is shown.
O -- Support item is removed, replaced, used
(2) Item number. The number used to identify
F -- Support item is removed, replaced, used
item called out in the illustration.
direct support level.
H -- Support item is removed, replaced, used
b. Source, Maintenance, and Recoverability (SMR)
general support level.