TM 11-6130-412-40P
SECTION I
INTRODUCTION
1.
Scope
(1) Source code. Source codes indicate the
manner of acquiring support items for maintenance,
repair, or overhaul of end items. Source codes are
This manual lists spares and repair parts; special tools;
entered in the first and second positions of the Uniform
special test, measurement, and diagnostic equipment
SMR Code format as follows:
(TMDE), and other special support equipment required
for performance of general support maintenance of the
Code
Definition
PP-2926D/U. It authorizes the requisitioning and issue
PA -I tem procured and stocked for anticipated or
of spares and repair parts as indicated by the source
known usage.
and maintenance codes.
2.
General
MD
-Item to be manufactured or fabricated at the
depot maintenance level.
This Repair Parts and Special Tools List is divided into
XA
-Item is not procured or stocked because the
the following sections:
requirements for the item will result in the
replacement of the next higher assembly.
a.
spares and repair parts authorized for use in the per-
XD
-A support item that is not stocked. When
formance of maintenance. The list also includes parts
required, item will be procured through normal
which must be removed for replacement of the
supply channels.
authorized parts. Parts lists are composed of functional
groups in numeric sequence, with the parts in each
NOTE
group listed in figure and item number sequence.
Cannibalization or salvage may be used as a
source of supply for any items source coded
b.
Section III. Special Tools List. Not
above except those coded XA and aircraft
applicable.
support items as restricted by AR 700-42.
c. Section IV. National Stock Number and Part
(2) Maintenance code. Maintenance codes
Number Index. A list, in National item identification
are assigned to indicate the levels of maintenance
number (NIIN) sequence, of all National stock numbers
authorized to USE and REPAIR support items. The
(NSN) appearing in the listings, followed by a list, in
maintenance codes are entered in the third and fourth
alphanumeric sequence, of all part numbers appearing
positions of the Uniform SMR Code format as follows:
in the listings.
National stock numbers and part
numbers are cross-referenced to each illustration figure
(a) The maintenance code entered in the
and item number appearance.
third position will indicate the lowest maintenance level
3.
Explanation of Columns
authorized to remove, replace, and use the support
item. The maintenance code entered in the third
position will indicate one of the following levels of
a.
Illustration. This column is divided as
maintenance:
follows:
Code
Application /Explanation
(1) Figure number. Indicates the figure
O
- Support item is removed, replaced, used at the
number of the illustration on which the item is shown.
organizational level.
(2) Item number. The number used to identify
H
- Support item is removed, replaced, used at the
item called out in the illustration.
general support level.
(b) The maintenance code entered in the
b.
Source, Maintenance, and Recoverability
fourth position indicates whether the item is to be
(SMR) Codes.
repaired and identifies the lowest maintenance
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