This manual 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 organizational, direct support, and
general support maintenance of the TS-3171A/U. It authorizes the requisitioning, issue, and disposition of spares, repair
parts and special tools as indicated by the source, maintenance and recoverability (SMR) codes.
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 numeric sequence, with the parts in each group listed in ascending item
number sequence. Figure numbers are listed directly beneath the group header.
b. Section III. Special Tools List. Not applicable.
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 alphameric 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.
3. Explanation of Columns (Section 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 five-position code
containing supply/requisitioning information, maintenance category authorization criteria, and disposition instruction, as
shown in the following breakout:
How you get an item.
Who can install
Who can do
on an unserviceable
replace or use
on the 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:
Stocked items; use the applicable NSN to request/requisition items with these source codes. They are
authorized to the category indicated by the code entered in the third position of the SMR code.
Items codes PC are subject to deterioration.