Support item, excluding support equipment,
This manual lists spares and repair parts; special tools;
procured for initial issue or outfitting and
special test, measurement, and diagnostic equipment
stocked only for subsequent or additional
(TMDE), and other special support equipment required
initial issues or outfittings. Not subject
for performance of organizational, direct support, and
to automatic replenishment.
general support maintenance of the AN/TRC-138. It
authorizes the requisitioning and issue of spares and
Support equipment procured and stocked for initial
repair parts as indicated by the source and maintenance
issue or outfitting to specified maintenance
Support equipment which will not be stocked but
This Repair Parts and Special Tools List is divided into
which will be centrally procured on demand.
the following sections:
a. Section II. Repair Parts List. A list of spares and
Item procured and stocked to provide for sustained
repair parts authorized for use in the performance of
support for the life of the equipment. It is
maintenance. The list also includes parts which must be
applied to an item peculiar to the equipment
removed for replacement of the authorized parts. Parts
which, because of probable discontinuance or
lists are composed of functional groups in numeric
shutdown of production facilities, would prove
sequence, with the parts in each group listed in figure and
uneconomical to reproduce at a later time.
item number sequence.
b. Section III. Special Tools List. Not applicable.
KD- An item of a depot overhaul/repair kit and not
c. Section IV. National Stock Number and Part
purchased separately. Depot kit defined as a kit
Number Index. A list, in National item identification
that provides items required at the time of
number (NIIN) sequence, of all National stock numbers
overhaul or repair.
(NSN) appearing in the listings, followed by a list, in
alphameric sequence, of all part numbers appearing in the
An item of a maintenance kit and not purchased
listings. National stock numbers and part numbers are
separately. Maintenance kit defined as a kit that
cross-referenced to each illustration figure and item
provides an item that can be replaced at
organizational or intermediate levels of
3. Explanation of Columns
Item included in both a depot overhaul/repair kit
a. Illustration. This column is divided as follows:
and a maintenance kit.
(1) Figure number. Indicates the figure number of
the illustration on which the item is shown.
MO- I t e m t o b e m a n u f a c t u r e d o r f a b r i c a t e d a t t h e
(2) Item number. The number used to identify
item called out in the illustration.
MF- I t e m t o b e m a n u f a c t u r e d o r f a b r i c a t e d a t t h e
b. Source, Maintenance, and Recoverability (SMR)
direct support maintenance level.
(1) Source code. Source codes indicate the
MH- I t e m t o b e m a n u f a c t u r e d o r f a b r i c a t e d a t t h e
manner of acquiring support items for maintenance,
general support maintenance level.
repair, or overhaul of end items. Source codes are entered
in the first and second positions of the Uniform SMR
MD- I t e m t o b e m a n u f a c t u r e d o r f a b r i c a t e d a t t h e
Code format as follows:
depot maintenance level.
Item procured and stocked for anticipated
AO- Item to be assembled at organization level.
or known usage.
Item to be assembled at direct support
Item procured and stocked for insurance
purpose because essentiality dictates that
a minimum quantity be available in the
AH- Item to be assembled at general support
Item procured and stocked and which otherwise
AD- Item to be assembled at depot maintenance
would be coded PA except that it is deteriorative