TM 5-6115-456-20P
SECTION I INTRODUCTION
(1) Source Codes. Source codes indicate the
1. Scope.
manner of acquiring support items for maintenance,
repair, or overhaul of end items. Source codes are
This manual lists spares and repair parts; special
entered in the first and second positions of the Uniform
tools; special test, measurement, and diagnostic
SMR Code format as follows:
equipment (TMDE), and other special support equipment
required for performance of organizational, direct
Code
Definition
support, and general support maintenance of the electric
power plant. It authorizes the requisitioning and issue of
PA
Item procured and stocked for anticipated or
spares and repair parts as indicated by the source and
known usage.
maintenance codes.
PB
Item procured and stocked for insurance
purpose because essentiality dictates that a
2. General.
minimum quantity be available in the supply
system.
This Repair Parts and Special Tools List is divided
PC
Item procured and stocked and which otherwise
into the following sections:
would be coded PA except that it is deteriorative
in nature.
a. Section II. Repair Parts List. A list of spares
PD
Support item, excluding support equipment,
and repair parts authorized for use in the performance of
procured for initial issue or outfitting and stocked
maintenance. The list also includes parts which must be
only for subsequent or additional initial issues or
removed for replacement of the authorized parts. Parts
outfittings.
Not subject to automatic
list are composed of functional groups in numeric
replenishment.
sequence, with the parts in each group listed in figure
PE
Support equipment procured and stocked for
and item number sequence. Bulk materials are listed in
initial issue or outfitting to specified maintenance
NSN sequence.
repair activities.
PF
Support equipment which will not be stocked but
b. Section III. Special Tools List. A list of special
which will be centrally procured on demand.
tools, special TMDE, and other special support
PG
Item procured and stocked to provide for
equipment authorized for the performance of
sustained support for the life of the equipment. It
maintenance.
is applied to an item peculiar to the equipment
which, because of probable discontinuance or
c. Section IV. National Stock Number and Part
shutdown of production facilities, would prove
Number Index. A list, in National item identification
uneconomical to reproduce at a later time.
number (NIIN) sequence, of all National stock numbers
KD
An item of a depot overhaul/repair kit and not
(NSN) appearing in the listing, followed by a list in
purchased separately. Depot kit defined as a kit
alphameric sequence of all part numbers appearing in
that provides items required at the time of
the listings. National stock numbers and part numbers
overhaul or repair.
are cross-referenced to each illustration figure and item
KF
An item of a maintenance kit and not purchased
number appearance. This index is followed by a cross-
separately. Maintenance kit defined as a kit that
reference list of reference designators to figure and item
provides an item that can be replaced at
numbers.
organizational or intermediate levels of
maintenance.
3. Explanation of Columns.
KB
Item included in both a depot overhaul/ repair kit
and a maintenance kit.
a. Illustration. This column is divided as follows:
MO
Item to be manufactured or fabricated at
organizational level.
(1) Figure Number.
Indicates the figure
MF
Item to be manufactured or fabricated at the
number of the illustration on which the item is shown.
direct support maintenance level.
MH
Item to be manufactured or fabricated at the
(2) Item Number. The number used to identify
general support maintenance level.
item called out in the illustration.
MD
Item to be manufactured or fabricated at the
depot maintenance level.
b. Source,
Maintenance,
and
Recoverability
(SMR) Codes.
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