This manual lists spares and repair parts; special tools;
Not subject to automatic replenishment.
special test, measurement, and diagnostic equipment
XD - A support item that is not stocked. When required,
(TMDE), and other special support equipment required
item will be procured through normal supply channels.
for performance of organizational, direct support, and
general support maintenance of the NA/GRA-4.
authorizes the requisitioning and issue of spares and
Cannibalization or salvage may be
repair parts as indicated by the source and maintenance
used as a source of supply for any
items source coded above except
those coded XA and aircraft support
items as restricted by AR 700-42.
This Repair Parts and Special Tools List is divided into
the following sections:
(2) Maintenance code. Maintenance codes
are assigned to indicate the levels of maintenance
and repair parts authorized for use in the performance of
authorized to USE and REPAIR support items. The
maintenance. The list also includes parts which must be
maintenance codes are entered in the third and fourth
removed for replacement of the authorized parts. Parts
positions of the Uniform SMR Code format as follows:
lists are composed of functional groups in numeric
(a) The maintenance code entered in the third
sequence, with the parts in each group listed in figure
position will indicate the lowest maintenance level
and item number sequence.
authorized to remove, replace, and use the support item.
b. Section III. Special Tools List. Not applicable.
The maintenance code entered in the third position will
indicate one of the following levels of maintenance:
A list, in National item identification
number (NIIN) sequence, of all National stock numbers
O - Support item is removed, replaced, used at the
(NSN) appearing in the listings, followed by a list, in
alphanumeric sequence, of all part numbers appearing in
F - Support item is removed, replaced, used at the direct
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
3. Explanation of Columns
identifies the lowest maintenance level with the capability
a. Illustration. This column is divided as follows:
to perform complete repair (i.e., all authorized
(1) Figure number.
Indicates the figure
maintenance functions). This position will contain one of
number of the illustration on which the item is shown.
the following maintenance codes:
(2) Item number.
The number used to
identify item called out in the illustration.
O - The lowest maintenance level capable of complete
b. Source, Maintenance, and Recoverability (SMR)
repair of the support item is the organizational level.
F - The lowest maintenance level capable of complete
(1) Source code. Source codes indicate the
repair of the support item is the direct 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.
entered in the first and second positions of the Uniform
codes are assigned to support items to indicate the
SMR Code format as follows:
disposition action on unserviceable items.
recoverability code is entered in the fifth position of the
PA - Item procured and stocked for anticipated or known
Uniform SMR Code format as follows:
PD - Support item, excluding support equipment,
procured for initial issue or outfitting and stocked
only for subsequent or additional initial issues or