UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LISTS (INCLUDING
DEPOT MAINTENANCE REPAIR PARTS AND
SPECIAL TOOLS LISTS)
SECTION I. INTRODUCTION
This RPSTL lists and authorizes spares and repair parts; special tools; special test, measurement, and diagnostic
equipment CTMDE); and other special support equipment required for performance of Unit, Direct Support, and General
Support Maintenance of the Crawler-Mounted Crane. 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 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 kits are listed separately in
their own functional group within Section II. Repair parts for reparable special tools are also listed in the section.
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 Indexes. 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, CAGE, and part numbers.
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 Instructions, as
shown in the following breakout:
1st two positions
How you get an item.
Who can install, replace,
Who can do complete
or use the item.
repair* on the item.
Who determines disposition action on
an unserviceable item.
*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.
(1) Source Code. The source code tells you how to get an item needed for maintenance, repair, or overhaul of
an end Item/equipment. Explanations of source codes follows: