REPAIR PARTS AND SPECIAL TOOLS LIST
(Current as of 12 September 1980)
Section I. INTRODUCTION
C-1. Scope. This appendix lists repair parts; required for operation and performance of Aviation Unit Maintenance
(AVUM), and Aviation Intermediate Maintenance (AVIM), and Depot Maintenance of the light, strobe, P/N 135M9.
For detailed explanation of the Three Levels of Maintenance Concept, see Appendix A to this
C-2. General. This Repair Parts and Special Tools List is divided into the following sections:
a. Section II. Repair Parts List.
of repair parts authorized for use
in the performance
of maintenance. The
section is listed in figure and item number sequence. The illustrations referenced in this section will appear in the
maintenance portion of this manual.
c. Section IV. National Stock Number and Part Number Index. (Not applicable.)
C-3. Explanation of Columns . The following provides as explanation of columns found in the tabular listings:
a. Illustration. This column is divided as follows
(1) Figure Number. Indicates the figure number of the illustration in which the item is shown.
(2) Item Number. The number used to identify each item called out in the illustration.
b. Source, Maintenance and Recoverability Codes (SMR).
(1) Source Code. Source codes are assigned to support items to indicate the manner of acquiring support
items for maintenance, repair, or overhaul of end items. Source codes are entered in the first and second positions of
the Uniform SMR Code format as follows:
Item procured and stocked for anticipated or known usage.
Item procured and stocked for insurance purpose because essentiality dictates that a minimum
quantity be available in the supply systems.
Cannibalization or salvage may be used as a source of supply for any items source coded
above except aircraft support items as restricted by AR 700-42.
(2) Maintenance Code. Maintenance codes are assigned to indicate the levels of maintenance authorized to
USE and REPAIR support items. The maintenance codes are entered in the third and fourth positions of the Uniform
SMR Code format as follows:
(a) The maintenance code entered in the third position will indicate the lowest maintenance level
authorized to remove, replace and use the support item The maintenance code entered in the third position will indicate
one of the following levels of maintenance':
Support item is removed, replaced, used at the Aviation Unit Maintenance level.
Support item is removed, replaced, used at the Aviation Intermediate Maintenance level.
Support items that are removed, replaced, used at depot, mobile depot, specialized repair activity only.
(b) The maintenance code entered in the fourth position indicates whether the item is to be repaired and
identifies the lowest maintenance level with the capability to perform complete