*TM 11-5985-326-24P
SECTION I
INTRODUCTION
1. Scope
used as a source of supply for any
This manual lists spares and repair parts; special tools;
items source coded above except
special test, measurement, and diagnostic equipment
those coded XA and aircraft support
(TMDE), and other special support equipment required
items as restricted by AR 700-42.
for performance of organizational, direct support, and
(2) Maintenance code. Maintenance codes are
general support maintenance of the CU-1658/A, CU-
assigned to indicate the levels of maintenance
1658A/A, CU-I699/GRC, and MT-3785/A. It authorizes
authorized to USE and REPAIR support items. The
the requisitioning and issue of spares and repair parts as
maintenance codes are entered in the third and fourth
indicated by the source and maintenance codes.
positions of the Uniform SMR Code format as follows:
2. General
(a) The maintenance code entered in the
This Repair Parts and Special Tools List is divided into
third position will indicate the lowest maintenance level
the following sections:
authorized to remove, replace, and use the support item.
a. Section II. Repair Parts List. A list of spares
The maintenance code entered in the third position will
and repair parts authorized for use in the performance of
indicate one of the following levels of maintenance:
maintenance. The list also includes parts which must be
Code
Application/Definition
removed for replacement of the authorized parts. Parts
O --Support item is removed, replaced, used at the
lists are composed of functional groups in numeric
organizational level.
sequence, with the parts in each group listed in figure
F --Support item is removed, replaced, used at the
and item number sequence.
direct support level.
b. Section III. Special Tools List. Not applicable.
H --Support item is removed, replaced, used at the
c. Section IV. National Stock Number and Part
general support level.
Number Index. A list, in National item identification
(b) The maintenance code entered in the fourth
number (NIIN) sequence, of all National stock numbers
position indicates whether the item is to be repaired and
(NSN) appearing in the listings, followed by a list, in
identifies the lowest maintenance level with the capability
alphanumeric sequence, of all part numbers appearing in
to perform complete repair (i.e., all authorized
the listings. National stock numbers and part numbers
maintenance functions). This position will contain one of
are cross referenced to each illustration figure and item
the following maintenance codes:
number appearance.
Code
Application/Definition
3. Explanation of Columns
H --The lowest maintenance level capable of complete
a. Illustration. This column is divided as follows:
repair of the support item is the general support
(1) Figure number. Indicates the figure number
level.
of the illustration on which the item is shown.
Z --Nonreparable. No repair is authorized.
(2) Item number. The number used to identify
(3) Recoverability code. Recoverability codes
item called out in the illustration.
are assigned to support items to indicate the disposition
b. Source, Maintenance, and Recoverability (SMR)
action on unserviceable items. The recoverability code is
Codes.
entered in the fifth position of the Uniform SMR Code
(1) Source code. Source codes indicate the
format as follows:
Recoverability
manner of acquiring support items for maintenance,
Code
Definition
repair, or overhaul of end items. Source codes are
entered in the first and second positions of the Uniform
Z --Nonrepairable item. When unserviceable, condemn
SMR Code format as follows:
and dispose at the level indicated in position 3.
Code
Definition
H --Reparable item. When uneconomically reparable,
PA--Item procured and stocked for anticipated or known
condemn and dispose at the general support
usage.
level.
c. National Stock Number. Indicates the National
XA--Item is not procured or stocked because the
requirements for the item will result in the
stock number assigned to the item and will be used for
replacement of the next higher assembly.
requisitioning purposes.
XD--A support item that is not stocked. When required,
d. Part Number. Indicates the primary number
item will be procured through normal supply
used by the manufacturer (individual, company, firm,
channels.
corporation, or Government activity), which controls the
design and characteristics of the item by means of its
NOTE
engineering
Cannibalization or salvage may be
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