This manual lists spares and repair parts; special
PA -Item procured and stocked for anticipated or
tools; special test, measurement, and diagnostic
equipment (TMDE), and other special support, equip-
XD --A support item that is not stocked. When re-
ment required for performance of organizational,
quired, item will be procured through nor-
direct support, and general support maintenance of
mal supply channels.
the AN/GSQ-160, OH-29/GSQ-160. It authorizes
the requisitioning and issue of spares and repair parts
as indicated by the source and maintenance codes.
Cannibalization or salvage may be used as
a source of supply for any items source
coded above except those coded XA and air-
craft support items as restricted by AR
This Repair Parts and Special Tools List is divided
into the following sections:
Section II. Repair Parts List. A list of spares and
(2) Maintenance code. Maintenance codes are
repair parts authorized for use in the performance of
assigned to indicate the levels of maintenance
maintenance. The list also includes parts which must
authorized to USE and REPAIR support items. The
be removed for replacement of the authorized parts.
maintenance codes are entered in the third and fourth
Parts lists are composed of functional groups in
positions of the Uniform SMR Code format as
numeric sequence, with the parts in each group listed
in figure and item number sequence.
(a) The maintenance code entered in the third
b. Section. III. Special Tools List. Not applicable.
position will indicate the lowest maintenance level
c. Section IV. National Stock Number and Part
authorized to remove, replace, and use the support
Number Index. A list, in National item identification
item. The maintenance code entered in the third posi-
number (NUN) sequence, of all National stock
tion will indicate one of the following levels of
numbers (NSN) appearing in the listings, followed by
a list, in alphameric sequence, of all part numbers
appearing in the listings. National stock numbers and
part numbers are cross-referenced to each illustra-
tion figure and item number appearance.
-Support item is removed, replaced, used at
the organizational level.
3. Explanation of Columns
F -Support item is removed, replaced, used at
the direct support level.
H -Support item is removed, replaced, used at
a. Illustration This column is divided as follows:
(1) Figure number. Indicates the figure number
the general support level.
of the illustration on which the item is shown.
D -Support items that are removed, replaced,
(2) Item number. The number used to identify
used at depot, mobile depot, specialized re-
item called out in the illustration.
pair activity only.
b. Source, Maintenance, and Recoverability (SMR)
(b) The maintenance code entered in the
(1) Source code. Source codes indicate the
fourth position indicates whether the item is to be
manner of acquiring support items for maintenance,
repaired and identifies the lowest maintenance level
repair, or overhaul of end items. Source codes are
with the capability to perform complete repair (i.e.,
entered in the first and second positions of the
all authorized maintenance functions). This position
R Code format as follows:
will contain one of the following maintenance codes: