TM 11-6625-524-24P-2
INTRODUCTION
number of the illustration on which the item is
1. Scope
shown.
This manual lists spares and repair parts; spe-
cial tools; special test, measurement, and diag-
(2) Item number. The number used to iden-
nostic equipment (TMDE), and other special
tify item called out in the illustration.
support equipment required for performance of
b. Source, Maintenance, and Recoverability
organizational, direct support, and general sup-
(SMR) Codes.
port maintenance of the AN/URM-145B. It au-
(1) Source code. Source codes indicate the
thorizes the requisitioning and issue of spares
manner of acquiring support items for mainte-
and repair parts as indicated by the source and
nance, repair, or overhaul of end items. Source
maintenance codes.
codes are entered in the first and second posi-
tions of the Uniform SMR Code format as fol-
lows:
Definition
Code
2. General
PA - Item procured and stocked for anticipated
This Repair Parts and Special Tools List is di-
or known usage.
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-
NOTE
cludes parts which must be removed for re-
Cannibalization or salvage may be used
placement of the authorized parts. Parts lists
as a source of supply for any items
are composed of functional groups in numeric
source coded above except those coded
sequence, with the parts in each group listed in
XA and aircraft support items as re-
figure and item number sequence.
stricted by AR 700-42.
b. Section III. Special Tools List. Not appli-
(2) Maintenance code. Maintenance codes
cable.
are assigned to indicate the levels of mainte-
nance authorized to USE and REPAIR support
Part Number Index. A list, in National item
items. The maintenance codes are entered in the
identification number (NIIN) sequence, of all
third and fourth positions of the Uniform SMR
National stock numbers (NSN) appearing in the
Code format as follows:
listings, followed by a list, in alphameric se-
(a) The maintenance code entered in the
quence, of all part numbers appearing in the
third position will indicate the lowest mainte-
listings. National stock numbers and part num-
nance level authorized to remove, replace, and
bers are cross-referenced to each illustration
use the support item. The maintenance code en-
figure and item number appearance.
tered in the third position will indicate one of
the following levels of maintenance:
Application/Explanation
Code
O - Support item is removed, replaced, used at
3. Explanation of Columns
the organizational level.
a. Illustration. This column is divided as fol-
H - Support item is removed, replaced, used at
lows:
the general support level.
(1) Figure number.
(b) The maintenance code entered in the
Indicates the figure
