TM 1-4920-449-13&P
APPENDIX D
REPAIR PARTS AND SPECIAL TOOLS LIST
SECTION I. INTRODUCTION
D-1. Scope. 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 Aviation
Intermediate maintenance of the Power Train Shop. It authorizes the requisitioning, issue, and disposition of spares,
repair parts, and special tools as indicated by the Source, Maintenance, and Recoverable (SMR) codes.
D-2. General. 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 that 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 figure and item number sequence. Bulk materials are listed in NSN sequence.
b. Section III Special Tools List A list of special tools, special TMDE, and other special support equipment
authorized by this RPSTL for the performance of maintenance.
Section IV. Nat
.
c.
ional Stock Number and Part Number Index. A list, in National Item Identification Number
(NIIN) sequence, of all National Stock Numbers (NSNS) appearing in the listings, followed by a list in alphanumeric
sequence of all part numbers appearing in the listing. National Stock Numbers and part numbers are cross-refer-
enced to each illustration figure and item number appearance.
D-3. EXPLANATION OF COLUMNS.
a. Column 1. ILLUSTRAION.
Column 1 is divided as follows:
(1) ((a) FIG NO.) Figure Number. Indicates the figure number illustrating an exploded view of a func-
tional group.
(2) ((b) ITEM NO.) Indicates the number used to identify items called out in the illustration.
b. Column 2. SMR Code The Source, Maintenance, and Recoverability (SMR) code is a 5-position code
containing supply/requisitioning information, maintenance category authorization criteria, and disposition instruc-
tions, as shown in the following breakout:
Source
Maintenance
Recoverability
Code
Code
Code
XX
XX
X
1st two positions
3rd position
4th position
5th position
How you get an item
Who can install,
Who can do complete
Who determines disposi-
replace or use the
repair* on the item.
tion action on an unser-
item.
viceable item.
D-1
