INTRODUCTION
1. Scope
(2) Maintenance code. Maintenance codes are
assigned to indicate the levels of maintenance author-
This manual lists spares and repair parts; special tools;
ized to USE and REPAIR support items. The mainte-
special test, measurement, and diagnostic equipment
nance codes are entered in the third and fourth positions
(TMDE), and other special support equipment required
of the Uniform SMR Code format as follows:
for performance of organizational maintenance of the
(a) The maintenance code entered in the third
TS-1588/AIC and TS-1588 A/AIC. It authorizes the re-
position will indicate the lowest maintenance level
quisitioning and issue of spares and repair parts as indi-
authorized to remove, replace, and use the support
cated by the source and maintenance codes.
item. The maintenance code entered in the third posi-
2. General
tion will indicate one of the following levels of mainte-
nance:
This Repair Parts and Special Tools List is divided into
the following sections:
Application/Explanation
Code
O
Support item is removed, replaced, used at
repair parts authorized for use in the performance of
the organizational level.
maintenance. The list also includes parts which must be
removed for replacement of the authorized parts. Parts
lists are composed of functional groups in numeric se-
position indicates whether the item is to be repaired and
quence, with the parts in each group listed in figure and
identifies the lowest maintenance level with the capabil-
item number sequence.
ity to perform complete repair (i.e., all authorized
b. Section III. Special Tools List. Not applicable.
maintenance functions). This position will contain one
c. Section IV. National Stock Number and Part Num-
of the following maintenance codes:
ber Index. A list, in National item identification number
(NIIN) sequence, of all National stock numbers (NSN)
Application/Explanation
appearing in the listings, followed by a list, in alpha-
Code
Z
Nonreparable. No repair is authorized.
meric sequence, of all part numbers appearing in the
listings. National stock numbers and part numbers are
(3) Recoverability code. Recoverability codes are
cross-referenced to each illustration figure and item
assigned to support items to indicate the disposition ac-
number appearance.
tion on unserviceable items. The recoverability code is
3. Explanation of Columns
entered in the fifth position of the Uniform SMR Code
format as follows:
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of
the illustration on which the item is shown.
Recoverability
Definition
codes
(2) Item number. The number used to identify item
Z
Nonreparable item. When unserviceable,
called out in the illustration.
condemn and dispose at the level
b. Source, Maintenance, and Recoverability (SMR)
indicated in position 3.
Codes.
(1) Source code. Source codes indicate the manner
c. National Stock Number. Indicates the National
of acquiring support items for maintenance, repair, or
stock number assigned to the item and will be used for
overhaul of end items. Source codes are entered in the
requisitioning purposes.
first and second positions of the Uniform SMR Code for-
d. Part Number. Indicates the primary number used
mat as follows:
by the manufacturer (individual, company, firm, cor-
poration, or Government activity), which controls the
Code
Definition
design and characteristics of the item by means of its en-
PA
Item procured and stocked for anticipated
gineering drawings, specifications, standards, and in-
or known usage.
spection requirements to identify an item or range of
XD
A support item that is not stocked. When
items.
required, item will be procured through
normal supply channels.
NOTE
NOTE
Cannibalization or salvage may be used as a
When a stock numbered item is requisi-
source of supply for any items source coded
tioned, the repair part received may have a
above except those coded XA and aircraft
different part number than the part being
support items as restricted by AR 700-42.
replaced.
