TM 55-4920-399-13&P
APPENDIX C
REPAIR PARTS AND SPECIAL TOOLS LIST
(Current as of 12 December 1980)
INTRODUCTION
Section I.
(1) Source Code. Source codes indicate the
C-1. Scope.
manner of acquiring support items for mainte-
This appendix lists spares and repair parts re-
nance, repair or overhaul of end items. Source codes
quired for performance of Aviation Intermediate
are entered in the first and second positions of the
Maintenance (AVIM) and Depot Maintenance of
Uniform SMR Code format as follows:
the Fuel Quantity Gage Test Set, P/N 472090-002.
Definition
Code
It authorizes the requisitioning and issue of spares
and repair parts as indicated by the source and
- - - Item procured and stocked for antici-
PA
maintenance codes.
pated or known usage.
- - - Item procured and stocked for insur-
PB
C-2. General.
ance purpose because essentiality
This Repair Parts and Special Tools List is di-
dictates that a minimum quantity be
vided into the following sections:
available in the supply systems.
a. Section II. Repair Parts List. A list of
----- Item procured and stocked and which
PC
spares
otherwise would be coded PA except
and repair parts authorized for use in the per-
that it is deteriorative in nature.
formance of maintenance. Parts list are composed of
- - - Item is not procured or stocked be-
XA
functional groups in numeric sequence, with the
cause the requirements for the item
parts in each group listed in figure and item num-
will result in the replacement of the
ber sequence.
next higher assembly.
b. Section III. Special Tools List. Not applica-
-- -- Item is not procured or stocked if not
XB
ble.
available through salvage
c. Section IV. National Stock Number and
requisition.
Part Number Index. A list in National Item Iden-
- - - A support item that is not stocked.
XD
tification Number (NIIN) sequence of all National
When required item will be procured
Stock numbers (NSN) appearing in the listings, fol-
throught normal supply channels.
lowed by a list, in alphameric sequence, of all part
numbers appearing in the listings. National stock
numbers and part numbers are cross-referenced to
NOTE
each illustration figure and item number appear-
Cannibalization or 8alvage may be
ance.
used as a source of supply for any
items source coded above except the
C-3. Explanation of Columns.
coded XA and aircraft support items
a. Illustration. This column is divided as fol-
as restricted by AR 700-42.
lows:
(2) Maintenance Code. Maintenance codes
(1) Figure Number. Indicates the figure
are assigned to indicate the levels of maintenance
number of the illustration on which the item is
authorized to USE and REPAIR support items. The
shown.
maintenance codes are entered in the third and
fourth positions of the Uniform SMR Code format
(2) Item Number. The number used to iden-
as follows:
tify each item called out in the illustration.
(a) The maintenance code entered in the
b. Source, Maintenance and Recoverability
third position will indicate the lowest maintenance
Codes (SMR).
C-l