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Page Title:
APPENDIX C REPAIR PARTS AND SPECIAL TOOLS LIST |
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 TM 3-4240-284-20&P
APPENDIX C
REPAIR PARTS AND SPECIAL TOOLS LIST
Section I. INTRODUCTION
(2) Item Number. The number used to
C-1. SCOPE. This manual lists spares and repair
identifi item called out in the illustra-
parts; special tools; special test, measurement,
and diagnostic equipment (TMDE), and other
tion.
special support equipment required for perfor-
b. Source, Maintenance, and Recoverability
mance of organizational maintenance of the col-
(SMR) Codes.
lective protection equipment. It authorizes the
(1) Source Code. Source codes indicate
requisitioning and issue of spares and repair
the manner of acquiring support items
parts as indicated by the source and mainte-
for maintenance, repair, or overhaul of
nance codes.
end items. Source codes are entered in
the first and second positions of the
C-2. GENERAL. This Repair Parts and Special
Uniform SMR Code format as follows:
Tools List is divided into the following sections:
a. Section II. Repair Parts List. A list of
Code
Definition
spares and repair parts authorized for use in
Item procured and stocked for anticipated or
PA
the performance of maintenance. The list
known usage.
also includes parts which must be removed
for replacement of the authorized parts.
Item to be manufactured or fabricated at or-
MO
Parts lists are composed of functional
ganizational level.
groups in numeric sequence, with the parts
Item to be assembled at organizational level.
AO
in each group listed in figure and item
number sequence. Bulk materials are listed
XA
Item is not procured or stocked because the
in NSN sequence.
requirements for the item will result in the
b. Section III. Special Tools List. Not
replacement of the next higher assembly.
applicable.
XB
Item is not procured or stocked. If not available
c. Section IV. National Stock Number and
through salvage, requisition.
Part Number Index. A list, in National
item identification number (NIIN) se-
NOTE
quence, of all National stock numbers (NSN)
Cannibalization or salvage may be used
appearing in the listings, followed by a list in
as a source of supply for any items coded
alphameric sequence of all parts numbers
above except those coded XA and aircraft
appearing in the listings. National stock
support items as restricted by AR 700-42.
numbers and part numbers are cross-
-referenced to each illustration figure and
item number appearance.
(2) Maintenance Code. Maintenance
codes are assigned to indicate the levels
C-3. EXPLANATION OF COLUMNS.
of maintenance authorized to USE and
REPAIR support items. The mainte-
a. Illustration. This column is divided as
nance codes are entered in the third and
follows:
fourth positions of the Uniform SMR
(1) Figure Number. Indicates the figure
Code format as follows:
number of the illustration on which the
item is shown.
C-1
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