REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
Section I. INTRODUCTION
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 Operators, Unit, and Direct Support
maintenance of the 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.
In addition to Section I, Introduction, this RPSTL is divided into the following sections:
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 by item name in FIG BULK at the end of the
section. Repair parts kits or sets are listed separately in their own functional group within Section II. Repair parts for
repairable special tools are also listed in the section.
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
(UOC) column) for the performance of maintenance.
Section IV. Cross-Reference Indexes. A list, in National Item Identification Number (NIIN) sequence, of all
National stock numbered items appearing in the listings, 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-references NSN, CAGEC, and part numbers.
EXPLANATION OF COLUMNS (SECTIONS II AND III).
ITEM NO. (Column (1)). Indicates the number used to identify items called out in the illustration.
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 instruction, as
shown in the following breakout: