repair, or overhaul of end items. Source codes are
entered in the first and second positions of the Uniform
This manual lists spares and repair parts; special tools;
SMR Code format as follows:
special test, measurement, and diagnostic equipment
(TMDE), and other special support equipment required
PA - Item procured and stocked for anticipated or known
for performance of direct support and general support
maintenance of the TA-1021/FSC. It authorizes the
PB - Item procured and stocked for insurance purpose
requisitioning and issue of spares and repair parts as
because essentiality dictates that a minimum
indicated by the source and maintenance codes.
quantity be available in the supply system.
PC - Item procured and stocked and which other-wise
This Repair Parts and Special Tools List is divided into
would be coded PA except that it is deteriorative in
the following sections:
a. Section II. Repair Parts List. A list of spares
PD - Support item, excluding support equipment,
and repair parts authorized for use in the performance of
procured for initial issue or outfitting and stocked
maintenance. The list also includes parts which must be
only for subsequent or additional initial issues or
removed for replacement of the authorized parts. Parts
outfitting. Not subject to automatic replenishment.
lists are composed of functional groups in numeric
PE - Support equipment procured and stocked for initial
sequence, with the parts in each group listed in figure
issue or outfitting to specified maintenance repair
and item number sequence.
b. Section III. Special Tools List Not applicable.
PF - Support equipment which will not be stocked but
c. Section IV National Stock Number and Part
which will be centrally procured on demand.
Number Index. A list, in National item identification
PG - Item procured and stocked to provide for sustained
number (NIIN) sequence, of all National stock numbers
support for the life of the equipment. It is applied to
(NSN) appearing in the listings, followed by a list, in
and item peculiar to the equipment which, because
alphanumeric sequence, of all part numbers appearing in
of probable discontinuance or shutdown of
the listings. National stock numbers and part numbers
production facilities, would prove uneconomical to
are cross-referenced to each illustration figure and item
reproduce at a later time.
KD - An item of a depot overhaul/repair kit and not
3. Explanation of Columns
purchased separately. Depot kit defined as a kit
a. Illustration. This column is divided as follows:
that provides items required at the time of overhaul
(1) Figure number. Indicates the figure number of
the illustration on which the item is shown.
KF - An item of a maintenance kit and not purchased
(2) Item number.
The number used to
separately. Maintenance kit defined as a kit that
identify item called out in the illustration.
provides an item that can be replaced at
b. Source, Maintenance, and Recoverability-
(1) Source code. Source codes indicate the
manner of acquiring support items for maintenance,