TM 11-5985-334-34P-1
SECTION I
INTRODUCTION
Code
Definition
1. Scope
PB -
Item procured and stocked for insurance
This manual lists spares and repair parts; special tools;
purpose because essentiality dictates that a
special test, measurement, and diagnostic equipment
minimum quantity be available in the supply
(TMDE), and other special support equipment required
system.
for performance of direct support and general support
PD -
Support item, excluding support equipment,
maintenance of the AB-621A/G and MK-2044/G. It
procured for initial issue or outfitting and
authorizes the requisitioning and issue of spares and
stocked only for subsequent or additional initial
repair parts as indicated by the source and maintenance
issues or outfittings. Not subject to automatic
codes.
replenishment.
AF -
Item to be assembled at direct support
2. General
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
a. Section II. Repair Parts List. A list of spares
replacement of the next higher assembly.
and repair parts authorized for use in the performance of
XD -
A support item that is not stocked. When
maintenance. The list also includes parts which must be
required, item will be procured through normal
removed for replacement of the authorized parts. Parts
supply channels.
lists are composed of functional groups in numeric
sequence, with the parts in each group listed in figure
NOTE
and item number sequence.
b. Section III. Special Tools List. Not applicable.
Cannibalization or salvage may be
c. Section IV. National Stock Number and Part
used as a source of supply for any
Number Index. A list, in National item identification
items source coded above except
number (NIIN) sequence, of all National stock numbers
those coded XA and aircraft support
(NSN) appearing in the listings, followed by a list, in
items as restricted by AR 700-42.
alphanumeric sequence, of all part numbers appearing in
the listings. National stock numbers and part numbers
(2) Maintenance code. Maintenance codes
are cross-referenced to each illustration figure and item
are assigned to indicate the levels of maintenance
number appearance.
authorized to USE and REPAIR support items. The
maintenance codes are entered in the third and fourth
3. Explanation of Columns
positions of the Uniform SMR Code format as follows:
a. Illustration. This column is divided as follows:
(a) The maintenance code entered in the
(1) Figure number.
Indicates the figure
third position will indicate the lowest maintenance level
number of the illustration on which the item is shown.
authorized to remove, replace, and use the support item.
(2) Item number. The number used to identify
The maintenance code entered in the third position will
item called out in the illustration.
indicate one of the following levels of maintenance:
b. Source, Maintenance, and Recoverability (SMR)
Codes.
Code
Application/Explanation
(1) Source code. Source codes indicate the
O-
Support item is removed, replaced, used at the
manner of acquiring support items for maintenance,
organizational level.
repair, or overhaul of end items. Source codes are
F
-
Support item is removed, replaced, used at the
entered in the first and second positions of the Uniform
direct support level.
SMR Code format as follows:
H
-
Support item is removed, replaced, used at the
general support level.
Code
Definition
D
-
Support items that are removed, replaced,
used at depot, mobile depot, specialized repair
PA -
Item procured and stocked for anticipated or
activity only.
known usage.
(b)
The maintenance code entered in the
1
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