ORGANIZATIONAL, DIRECT SUPPORT, AND
GENERAL SUPPORT MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LIST
(INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS)
Section I. INTRODUCTION
B-3. Explanation of Columns.
a. Illustration. This column is divided as follows:
This appendix lists spares and repair parts; special tools;
special test, measurement, and diagnostic equipment
(1) Figure Number. Indicates the figure number of
(TMDE), and other special support equipment required for
the illustration on which the item is shown.
performance of organizational, direct support, and general
support maintenance of Helmet Directed Fire Control
(2) Item Number. The number used to identify item
Subsystems XM128 and XMl36. It authorizes the
called out in the illustration.
requisitioning and issue of spares and repair parts as
indicated by the source and maintenance codes.
b. Source, Maintenance, and Recoverability (SMR)
(1) Source Code. Source codes indicate the manner
This Repair Parts and Special Tools List is divided into
of acquiring support items for maintenance, repair, or
the following sections:
overhaul of end items. Source codes are entered in the first
and second positions of the Uniform SMR Code format as
a. Section II. Repair Parts List. A list of spares and
repair parts authorized for use in the performance of
maintenance. The list also includes parts which must be
removed for replacement of the authorized parts. Parts lists
Item procured and stocked for anticipated or
are composed of functional groups in numeric sequence,
with the parts in each group listed in figure and item
number sequence. Bulk materials are listed in NSN
Item procured and stocked for insurance purpose
because essentiality dictates that a minimum
quantity be available in the supply system.
b. Section III. Special Tools List. A list of special
Item procured and stocked and which otherwise
tools, speciaI TMDE, and other special support equipment
would be coded PA except that it is deteriorative
authorized for the performance of maintenance.
c. Section IV. National Stock Number and Part
Support item, excluding support equipment,
Number Index. A list, in National item identification
procured for initial issue or outfitting and stocked
number (NIIN) sequence, of all National stock numbers
only for subsequent or additional initial issues or
(NSN) appearing in the listings, followed by a list in
out fittings. N o t subject t o automatic
alphanumeric sequence of all part numbers appearing in the
listings. National stock numbers and part numbers are
cross-referenced to each illustration figure and item number
Support equipment procured and stocked for
appearance. This index is followed by a cross-reference list
initial issue or outfitting to specified maintenance
of reference designators to figure and item numbers.