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