*TM 11-6720-242-20P
SECTION I
INTRODUCTION
1. Scope
(2)
Maintenance code. Maintenance codes
This manual lists spares and repair parts; special tools;
are assigned to indicate the levels of maintenance
special test, measurement, and diagnostic equipment
authorized to USE and REPAIR support items. The
(TMDE), and other special support equipment required
maintenance codes are entered in the third and fourth
for performance of organizational maintenance of the
positions of the Uniform SMR Code format as follows:
KA-60C. It authorizes the requisitioning and issue of
(a)
The maintenance code entered
spares and repair parts as indicated by the source and
in the third position will indicate the lowest maintenance
maintenance codes.
level authorized to remove, replace, and use the support
item. The maintenance code entered in the third
2. General
position will indicate one of the following levels of
This Repair Parts and Special Tools List is divided into
maintenance:
the following sections:
a. Section II. Repair Parts List. A list of spares
Code
Application/Explanation
and repair parts authorized for use in the performance of
O-
Support item is removed, replaced, used at the
maintenance. The list also includes parts which must be
organizational level.
removed for replacement of the authorized parts. Parts
lists are composed of functional groups in numeric
(b) The maintenance code entered in
sequence, with the parts in each group listed in figure
the fourth position indicates whether the item is to be
and item number sequence.
repaired and identifies the lowest maintenance level
b. Section III. Special Tools List. Not applicable.
with the capability to perform complete repair (i.e., all
c. Section IV. National Stock Number and Part
authorized maintenance functions). This position will
Number Index. A list, in National item identification
contain one of the following maintenance codes:
number (NIIN) sequence, of all National stock numbers
(NSN) appearing in the listings, followed by a list, in
Code
Application/Explanation
alphameric sequence, of all part numbers appearing in
H-
The lowest maintenance level capable of
the listings. National stock numbers and part numbers
complete repair of the support item is the general
are cross-referenced to each illustration figure and item
support level.
number appearance.
Z-
Nonreparable. No repair is authorized.
3. Explanation of Columns
(3) Recoverability code.
Recoverability
a. Illustration. This column is divided as follows:
codes are assigned to support items to indicate the
(1) Figure number.
Indicates the figure
disposition action on unserviceable items.
The
number of the illustration on which the item is shown.
recoverability code is entered in the fifth position of the
(2) Item number.
The number used to
Uniform SMR Code format as follows:
identify item called out in the illustration.
Recoverability
b. Source, Maintenance, and Recoverability (SMR)
Codes.
Codes
Definition
(1) Source code. Source codes indicate the
Z-
Nonreparable item.
When unserviceable,
manner of acquiring support items for maintenance,
condemn and dispose at the level indicated in
repair, or overhaul of end items. Source codes are
position 3.
entered in the first and second positions of the Uniform
H-
Reparable item. When uneconomically reparable,
SMR Code format as follows:
condemn and dispose at the general support
Code
Definition
level.
PA- Item procured and stocked for anticipated or
known usage.
c. National Stock Number. Indicates the National
XD- A support item that is not stocked.
When
stock number assigned to the item and will be used for
required, item will be procured through normal
requisitioning purposes.
supply channels.
d. Part Number. Indicates the primary number
NOTE
used by the manufacturer (individual, company, firm,
Cannibalization or salvage may be
corporation, or Government activity), which controls the
used as a source of supply for any
design and characteristics of the item
items source coded above except
those coded XA and aircraft support
items as restricted by AR 700-42.
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