b. Source, Maintenance, and Recoverability
This manual lists spares and repair parts; spe-
(1) Source code. Source codes indicate the
c i a l tools; special test, measurement, and diag-
manner of acquiring support items for mainte-
nostic equipment (TMDE), and other special
nance, repair, or overhaul of end items. Source
s u p p o r t equipment required for performance of
codes are entered in the first and second posi-
o r g a n i z a t i o n a l , direct support, and general sup-
tions of the Uniform SMR Code format as fol-
port maintenance of the PU-724/G. It au-
t h o r i z e s the requisitioning and issue of spares
a n d repair parts as indicated by the source and
m a i n t e n a n c e codes.
PA--Item procured and stocked for anticipated
or known usage.
A F -- I t e m to be assembled at direct support
This Repair Parts and Special Tools List is di-
vided into the following sections:
XD--A support item that is not stocked. When
required, item will be procured through
normal supply channels.
spares and repair parts authorized for use in the
performance of maintenance. The list also in-
c l u d e s parts which must be removed for re-
placement of the authorized parts. Parts lists
Cannibalization or salvage may be used
are composed of functional groups in numeric
a s a source of supply for any items
sequence, with the parts in each group listed in
source coded above except those coded
figure and item number sequence.
X A and aircraft support items as re-
b. Section III. Special Tools List. Not appli-
stricted by AR 700-42.
(2) Maintenance code. Maintenance codes
P a r t Number Index. A list, in National item
are assigned to indicate the levels of mainte-
identification number (NIIN) sequence, of all
nance authorized to USE and REPAIR support
National stock numbers (NSN) appearing in the
items. The maintenance codes are entered in the
listings, followed by a list, in alphameric se-
third and fourth positions of the Uniform SMR
quence, of all part numbers appearing in the
Code format as follows:
listings. National stock numbers and part num-
(a) The maintenance code entered in the
bers are cross-referenced to each illustration
third position will indicate the lowest mainte-
figure and item number appearance.
nance level authorized to remove, replace, and
use the support item. The maintenance code en-
3. Explanation of Columns
tered in the third position will indicate one of
the following levels of maintenance:
a. Illustration. This column is divided as fol-
(1) Figure number. Indicates the figure
O--Support item is removed, replaced, used at
number of the illustration on which the item is
the organizational level.
F--Support item is removed, replaced, used at
(2) Item number. The number used to iden-
the direct support level.
tify item called out in the illustration.