UNIT, DIRECT SUPPORT, AND
GENERAL 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, direct
support, and general support maintenance of the Compressor Unit, 15 CFM/175 PSI. 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 this section, Introduction, this Repair Parts and Special Tools List is divided into the
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. Bulk
materials are listed in item name sequence. Repair parts kits are listed separately in their own functional group
within Section II. Repair parts 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 and DESCRIPTION
AND USABLE ON CODE column) for the performance of maintenance.
c. Section IV. National Stock Number and Part Number 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- references NSN, FSCM, and
3. Explanation of Columns (Sections II and III).
a. ITEM NO. (Column (1)). Indicates the number 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 instruction, as shown in the following breakout: