REPAIR PARTS AND SPECIAL TOOLS LISTS
Section I. INTRODUCTION
a. This Appendix lists repair parts, special
tools, test and support equipment required for the
performance of maintenance of the drums.
b. Repair parts listed represents those authoriz-
ed for use at the organizational, direct support and
general support maintenance levels and will be re-
quisitioned on an as required basis until
stockage is justified by demand in accordance with
This Repair Parts and Special Tools List is
divided into the following sections:
a. Repair Parts List - Section II. A list of spares
and repair parts authorized for use in the per-
formance of maintenance. The list also includes
parts which must be removed for replacement of
the authorized parts. Parts lists are composed of
assembly groups in ascending numerical sequence,
with the parts in each group listed in figure and
item number sequence.
b. Special Tools List - Section III. (Not Ap-
c. National Stock Number and Part Number In-
dex - Section IV. A list, in ascending numerical
sequence, of all National Stock Numbers appear-
ing in the listings, followed by a list, in alpha-
numeric sequence, of all part numbers appearing
in the listings. National Stock Number and part
numbers are cross-referenced to each illustration
figure and item number appearance.
C-3. Explanation of Columns.
The following provides an explanation of col-
umns found in the tabular listings:
a. Illustration. This column is
(1) Figure Number. Indicates
number of the illustration in which
the item is
(2) Item Number. The number used to identify
each item called out in the illustration.
b. Source, Maintenanc, and Recoverability
(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 for-
mat as follows:
Item procured and stocked for anti-
cipated or known usage.
Item procured and stocked for insurance
purpose because essentiality dictates
that a minimum quantity be available in
the supply systems.
Item procured and stocked and which
otherwise would be coded PA except
that it is deteriorative in nature.
Support item, excluding support
equipment, procured for initial issue or
outfitting and stocked only for subse-
quent or additional issues or outfittings.
Not subject to automatic replenishment.
Support equipment procured and
stocked for initial issue or outfitting to
specified maintenance repair activities.
Support equipment which will not be
stocked but which will be centrally pro-
cured on demand.
Item procured and stocked to provide
for sustained support for the life of the
equipment. It is applied to an item
peculiar to the equipment which,
because of probable discontinuance or
shutdown of production facilities, would
prove uneconomical to reproduce at a