REPAIR PARTS LIST
Section I. INTRODUCTION
codes are entered in the first and second positions
of the Uniform SMR Code format as follows:
This appendix lists spares and repair parts; spe-
cial tools, special test, measurement, and diagnos-
PA--Item procured and stocked for anticipated
tic equipment (TMDE), and other special support
or known usage.
equipment required for performance of direct sup-
XD--A support item that is not stocked. When re-
port maintenance of the AN/APM378. It author-
quired, item will be procured through
izes the requisitioning and issue of spares and re-
normal supply channels.
pair parts as indicated by the source and mainte-
Cannibalization or salvage may be used
as a source of supply for any items
This Repair Parts and Special Tools List is di-
source coded above except those coded
vided into the following sections:
XA and aircraft support items as re-
a. Sectiom II. Repair Parts List. A list of spares
stricted by AR 70042.
and repair parts authorized for use in the per-
(2) Maintenance code. Maintenance codes
formance of maintenance. The list also includes
parts which must be removed for replacement of
are assigned to indicate the levels of maintenance
authorized to USE and REPAIR support items.
the authorized parts.
The maintenance codes are entered in the third
b. Section III. Special Tools List. Not applica-
and fourth 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 identifica-
third position will indicate the lowest maintenance
tion number (NIIN) sequence, of all National
level authorized to remove, replace, and use the
stock numbers (NSN) appearing in the listings,
support item. The maintenance code entered in the
followed by a list, in alphameric sequence, of all
third position will indicate one of the following
part numbers appearing in the listings. National
levels of maintenance:
stock numbers and part number are cross-refer-
enced to each illustration figure and item number
F--Support item is removed, replaced, used at the
direct support level.
E3. Explanation of Columns
(b) The maintenance code entered in the
a. Illustration. This column is divided as fol-
fourth position indicates whether the item is to be
repaired and identifies the lowest maintenance
level with the capability to perform complete re-
(1) Figure number. Indicates the figure num-
pair (i.e., all authorized maintenance functions).
ber of the illustration on which the item is shown.
(2) Item number. The number used to iden-
This position will contain one of the following
tify item called out in the illustration.
b. Source, Maintenance, and Recwerabilitv
F--The lowest maintenance level capable of com-
(1) Source code. Source codes indicate the
plete repair of the support item is the" direct
manner, of acquiring support items for mainte-
nance, repair, or overhaul of end item, Source
Z--Nonreparable. No repair is authorized.