be available in the supply system.
This manual lists spares and repair parts; special tools;
MH--Item to be manufactured or fabricated at the
special test, measurement, and diagnostic equipment
general support maintenance level.
(TMDE), and other special support equipment required
MD--Item to be manufactured or fabricated at the
for performance of organizational, direct support, and
depot maintenance level.
general support maintenance of the TS-3354/PRC-68.
AH--Item to be assembled at general support
It authorizes the requisitioning and issue of spares and
repair parts as indicated by the source and maintenance
AD--Item to be assembled at depot maintenance level.
XA--Item is not procured or stocked because the re-
quirements for the item will result in the replacement
of the next higher assembly.
This Repair Parts and Special Tools List is divided into
XB--Item is not procured or stocked. If not available
the following sections:
through salvage, requisition.
repair parts authorized for use in the performance of
Cannibalization or salvage may be used as a
maintenance. The list also includes parts which must be
source of supply for any items source coded
removed for replacement of the authorized parts. Parts
above except those coded XA and aircraft sup-
lists are composed of functional groups in numeric se-
port items as restricted by AR 700-42.
quence, with the parts in each group listed in figure and
(2) Maintenance code. Maintenance codes are
item number sequence. Bulk materials are listed in NSN
assigned to indicate the levels of maintenance authorized
to USE and REPAIR support items. The maintenance
b. Section III. Special Tools List. Not applicable.
codes are entered in the third and fourth positions of the
Uniform SMR Code format as follows:.
Number Index. A list, in National item identification
number (NIIN) sequence, of all National stock numbers
position will indicate the lowest maintenance level
(NSN) appearing in the listings, followed by a list, in
authorized to remove, replace, and use the support
alphameric sequence, of all part numbers appearing in
the listings. National stock numbers and part numbers
tion will indicate one of the following levels of
are cross-referenced to each illustration figure and item
3. Explanation of Columns
O--Support item is removed, replaced, used at the
a. Illustration. This column is divided as follows:
H--Support item is removed, replaced, used at the
(1) Figure number. Indicates the figure number of
general support level.
the illustration on which the item is shown.
D--Support items that are removed, replaced, used at
(2) Item number. The number used to identify
depot, mobile depot, specialized repair activity only.
item called out in the illustration.
(b) The maintenance code entered in the fourth
b. Source, Maintenance, and Recoverability (SMR)
position indicates whether the item is to be repaired and
identifies the lowest maintenance level with the capabili-
(1) Source code. Source codes indicate the manner
ty to perform complete repair (i.e., all authorized
of acquiring support items for maintenance, repair, or
maintenance functions). This position will contain one
overhaul of end items. Source codes are entered in the
of the following maintenance codes:
first and second positions of the Uniform SMR Code
format as follows:
H--The lowest maintenance level capable of complete
PA--Item procured and stocked for anticipated or
repair of the support item is the general support level.
D--The lowest maintenance level capable of complete
PB--Item procured and stocked for insurance purpose
repair of the support item is the depot level.
because essentiality dictates that a minimum quantity
Z--Nonreparable. No repair is authorized.