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ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTS - TM-11-5820-334-20P0002
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TM-11-5820-334-20P Receiver Radio R-392/URR (NSN
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Special Information - TM-11-5820-334-20P0004
TM 11-5820-334-20P
SECTION I
INTRODUCTION
1. Scope
This manual lists spares and repair parts; special tools; special test, measurement, and diagnostic equipment (TMDE),
and other special support equipment required for performance of organizational maintenance of the R-392/URR. It
authorizes the requisitioning and issue of spares and repair parts as indicated by the source and maintenance codes.
2. General
This Repair Parts and Special Tools List is divided into the following sections:
a. Section II. Repair Parts List. A list of spares and repair parts authorized for use in the performance of maintenance.
The list also includes parts which must be removed for replacement of the authorized parts. Parts 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. Section IV. National Stock Number and Part Number Index. A list, in National item identification number (NIIN)
sequence, of all National stock numbers (NSN) appearing in the listings, followed by a list, inalphameric sequence, of all
part numbers appearing in the listings. National stock numbers and part numbers are cross-referenced to each illustration
figure and item number appearance.
3. Explanation of Columns
a. Illustration. This column is divided as follows:
(1) Figure number. Indicates the figure number of the illustration on which the item is shown.
(2) Item number. The number used to identify item called out in the illustration.
b. Source, Maintenance, and Recoverability (SMR) Codes.
(1) Source code. Source codes indicate the manner of acquiring support items for maintenance, repair, or overhaul of
end items. Source codes are entered in the first and second positions of the Uniform SMR Code format as follows:
Code  Definition
PA-Item procured and stocked for anticipated or known usage.
XD-A support item that is not stocked. When required, item will be procured through normal supply channels.
NOTE
Cannibalization or salvage may be 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.
(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 positions of the Uniform SMR Code
format as follows:
(a) The maintenance code entered in the third position will indicate the lowest maintenance level authorized to
remove, replace, and use the support item. The maintenance code entered in the third position will indicate one of the
following levels of maintenance:
Code  Application/Explanation
O - Support item is removed, replaced, used at the organizational level.
(b) The maintenance code entered in the fourth position indicates whether the item is to be repaired and identifies
the lowest maintenance level with the capability to perform complete repair (i.e., all authorized maintenance functions).
This position will contain one of the following maintenance codes:
Code  Application/Explanation
H - The lowest maintenance level capable of complete repair of the support item is the general support level.
Z - Nonreparable. No repair is authorized.
(3) Recoverability code. Recoverability codes are assigned to support items to indicate the disposition action on
unserviceable items. The recoverability code is entered in the fifth position of the Uniform SMR Code format as follows:
Recoverability codes Definition
Z - Nonreparable item. When unserviceable, condemn and dispose at the level indicated in position 3.
H - Reparable item. When uneconomically reparable, condemn and dispose at the general support level.
c. National Stock Number. Indicates the National stock number assigned to the item and will be used for requisitioning
purposes.
d. Part Number. Indicates the primary number used by the manufacturer (individual, company, firm, corporation, or
Government activity), which controls the
1

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