This manual lists spares and repair parts; special tools;
Cannibalization or salvage may be
special test, measurement, and diagnostic equipment
used as a source of supply for any
(TMDE), and other special support equipment required
items source coded above except
for performance of organizational, direct support, and
those coded XA and aircraft support
general support maintenance of the OK-258/TAQ-2,
items as restricted by AR 700-42.
OV-47/TAQ-2. It authorizes the requisitioning and issue
of spares and repair parts as indicated by the source and
(2) Maintenance code. Maintenance codes
are assigned to indicate the levels of maintenance
authorized to USE and REPAIR support items. The
maintenance codes are entered in the third and fourth
This Repair Parts and Special Tools List is divided into
positions of the Uniform SMR Code format as follows:
the following sections:
(a) The maintenance code entered in
the third position will indicate the lowest maintenance
and repair parts authorized for use in the performance of
level authorized to remove, replace, and use the support
maintenance. The list also includes parts which must be
item. The maintenance code entered in the third position
removed for replacement of the authorized parts. Parts
will indicate one of the following levels of maintenance:
lists are composed of functional groups in numeric
sequence, with the parts in each group listed in figure
and item number sequence.
b. Section III. Special Tools List. Not applicable.
C- Crew or operator maintenance performed within
O- Support item is removed, replaced, used at the
Number Index. A list, in National item identification
number (NIIN) sequence, of all National stock numbers
F- Support item is removed, replaced, used at the direct
(NSN) appearing in the listings, followed by a list, in
alphameric sequence, of all part numbers appearing in
H- Support item is removed, replaced, used at the general
the listings. National stock numbers and part numbers
are cross-referenced to each illustration figure and item
(b) The maintenance code entered in
the fourth position indicates whether the item is to be
repaired and identifies the lowest maintenance level with
3. Explanation of Columns
the capability to perform complete repair (i.e., all
a. Illustration. This column is divided as follows:
authorized maintenance functions). This position will
(1) Figure number.
Indicates the figure
contain one of the following maintenance codes:
number of the illustration on which the item is shown.
(2) Item number. The number used to identify
item called out in the illustration.
The lowest maintenance level capable of complete repair
b. Source, Maintenance, and Recoverability (SMR)
of the support item is the direct support level.
H- The lowest maintenance level capable of complete repair
(1) Source code. Source codes indicate the
of the support item is the general support level.
manner of acquiring support items for maintenance,
Z- Nonreparable. No repair is authorized.
repair, or overhaul of end items. Source codes are
(3) Recoverability code. Recoverability codes
entered in the first and second positions of the Uniform
are assigned to support items to indicate the disposition
SMR Code format as follows:
action on unserviceable items. The recoverability code is
entered in the fifth position of the Uniform SMR Code
PA- Item procured and stocked for anticipated or known
format as follows:
XD- A support item that is not stocked. When required, item
will be procured through normal supply channels.
Z- Nonreparable item. When unserviceable, condemn and
dispose at the level indicated in position 3.
F- Reparable item. When uneconomically reparable,