TM 9-4520-260-23P
UNIT AND DIRECT SUPPORT MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LIST
SECTION I INTRODUCTION
1. Scope.
This RPSTL lists and authorizes spares and repair parts; special tools; special test, measurement, and
diagnostic equipment (TMDE); and other special support equipment required for performance of unit and direct
support maintenance of the space heater. It authorizes the requisitioning, issue, and disposition of spares,
repair parts, and special tools as indicated by the source, maintenance, and recoverability (SMR) codes.
2. General.
In addition to Section I, Introduction, this Repair Parts and Special Tools List is divided into the following
sections:
a. Section II. Repair Parts List. A list of spares and repair parts authorized by this RPSTL for use in the
performance of maintenance. The list also includes parts which must be removed for replacement of the
authorized parts. Parts lists are composed of functional groups in ascending alphanumeric sequence, with the
parts in each group listed in ascending figure and item number sequence. Bulk materials are listed in item
name sequence. Repair parts kits are listed separately in their own functional group within Section II. Repair
parts for repairable special tools are also listed in this section. Items listed are shown on the associated
illustration(s)/figure(s).
b. Section III. Special Tools List. A list of special tools, special TMDE, and other special support
equipment authorized by this RPSTL (as indicated by Basis of Issue (BOI) information in DESCRIPTION AND
USABLE ON CODE column) for the performance of maintenance.
c. Section IV. Cross-reference Index. A list in National item identification number (NIIN) sequence, of
all National stock numbered items appearing in the listing, followed by a list in 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 appearance. The figure and item number index lists figure and item
numbers in alphanumeric sequence and cross-reference NSN, FSCM and part numbers.
3. Explanation of Columns (Sections II and III).
a. ITEM NO. (Column (1)). Indicates the numbers used to identify items called out in the illustration.
b. SMR CODE (Column (2)). The Source, Maintenance, and Recoverability (SMR) code is a 5-position
code containing supply/requisitioning information, maintenance category authorization criteria, and disposition
instructions, as shown in the following breakout:
*Complete Repair: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks
of the Repair function in a use/user environment in order to restore serviceability to a failed item.
5th
Position
1
