XD - A support item that is not stocked. When required,
item will be procured through normal supply
This manual lists spares and repair parts; special tools;
special test, measurement, and diagnostic equipment
(TMDE), and other special support equipment required
Cannibalization or salvage may be
for performance of organizational maintenance of the
SM-442A/GRC. It authorizes the requisitioning and issue
used as a source of supply for any
of spares and repair parts as indicated by the source and
items source coded above except
those codes XA and aircraft support
items as restricted by AR 700-42.
(2) Maintenance code. Maintenance codes
are assigned to indicate the levels of maintenance
This Repair Parts and Special Tools List is divided into
authorized to USE and REPAIR support items. The
the following sections:
maintenance codes are entered in the third and fourth
positions of the Uniform SMR Code format as follows:
and repair parts authorized for use in the performance of
(a) The maintenance code entered in the third
maintenance. The list also includes parts which must be
position will indicate the lowest maintenance level
removed for replacement of the authorized parts. Parts
authorized to remove, replace, and use the support item.
lists are composed of functional groups in numeric
The maintenance code entered in the third position will
sequence, with the parts in each group listed in figure
indicate one of the following levels of maintenance:
and item number sequence.
b. Section III. Special Tools List. Not applicable.
O - Support item is removed, replaced, used at the
c. Section IV. National Stock Number arid Part
Number Index. A list, in National item identification
The maintenance code entered in the
number (NIIN) sequence, of all National stock numbers
fourth position indicates whether the item is to be
(NSN) appearing in the listings, followed by a list, in
repaired and identifies the lowest maintenance level with
alphameric sequence, of all part numbers appearing in
the capability to perform complete repair (i.e., all
the listings. National stock numbers and part numbers
authorized maintenance functions). This position will
are cross-referenced to each illustration figure and item
contain one of the following maintenance codes:
H - The lowest maintenance level capable of complete
3. Explanation of Columns
repair of the support item is the general support
a. Illustration. This column is divided as follows:
Z - Nonreparable. No repair is authorized.
(3) Recoverability code. Recoverability codes
(1) Figure number.
Indicates the figure
number of the illustration on which the item is shown.
are assigned to support items to indicate the disposition
(2) Item number. The number used to identify
action on unserviceable items. The recoverability code is
item called out in the illustration.
entered in the fifth position of the Uniform SMR Code
b. Source, Maintenance, and Recoverability (SMR)
format as follows: Recoverability
(1) Source code. Source codes indicate the
Z - Nonreparable item. When unserviceable, condemn
manner of acquiring support items for maintenance,
and dispose at the level indicated in position 3.
repair, or overhaul of end items. Source codes are
H - Reparable item. When uneconomically reparable,
entered in the first and second positions of the Uniform
condemn and dispose at the general support
SMR Code format as follows:
c. National Stock Number. Indicates the National
PA - Item procured and stocked for anticipated or known