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TM-11-5815-334-20P Radio Teletypewriter Sets AN/GRC - 122 AN/GRC ¬ 122A AN/GRC-122B AN/GRC-142 AN/GRC¬142A and AN/GRC¬142B Manual
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Special Information
TM 11-5815-334-20P
INTRODUCTION
1. Scope
Code
Definition
This manual lists spares and repair parts; special tools;
XD--A support item that is not stocked. When required,
special test, measurement, and diagnostic equipment
item will be procured through normal supply
(TMDE), and other special support equipment required
channels.
for performance of organizational maintenance of the
NOTE
AN/GRC-122, AN/GRC-122A, AN/GRC-122B, AN/-
Cannibalization or salvage may be used as a
GRC-122C, AN/GRC-142, AN/GRC-142A, AN/-
source of supply for any items source coded
GRC-142B and AN/GRC-142C. It authorizes the req-
above except those coded XA and aircraft sup-
uisitioning and issue of spares and repair parts as indicated
port items as restricted by AR 700-42.
by the source and maintenance codes.
(2) Maintenance code. Maintenance codes are
assigned to indicate the levels of maintenance authorized
2. General
to USE and REPAIR support items. The maintenance
This Repair Parts and Special Tools List is divided into the
codes are entered in the third and fourth positions of the
following sections:
Uniform SMR Code format as follows:
a. Section II. Repair Parts List. A list of spares and
(a) The maintenance code entered in the third
repair parts authorized for use in the performance of
position will indicate the lowest maintenance level
maintenance. The list also includes parts which must be
authorized to remove, replace, and use the support item.
removed for replacement of the authorized parts. Parts
The maintenance code entered in the third position will
lists are composed of functional groups in numeric se-
indicate one of the following levels of maintenance:
quence, with the parts in each group listed in figure and
Code
Application/Explanation
item number sequence.
O --Support item is removed, replaced, used at the
b. Section III. Special Tools List. Not applicable.
organizational level.
c. Section IV. National Stock Number and Part Num-
(b) The maintenance code entered in the fourth
ber Index. A list, in National item identification number
position indicates whether the item is to be repaired and
(NIIN) sequence, of all National stock numbers (NSN)
identifies the lowest maintenance level with the capability
appearing in the listings, followed by a list, in alphameric
to perform complete repair (i.e.; all authorized mainte-
sequence, of all part numbers appearing in the listings.
nance functions). This position will contain one of the
National stock numbers and part numbers are cross-
following maintenance codes:
referenced to each illustration figure and item number ap-
Application/Explanation
Code
pearance.
O --The lowest maintenance level capable of complete
3. Explanation of Columns
repair of the support item is the organization
a. Illustration. This column is divided as follows:
level.
(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
level.
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
Codes.
level.
(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
mat as follows:
assigned to support items to indicate the disposition action
Definition
Code
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
usage.
follows:
PD--Support item, excluding support equipment,
Recoverability
procured for initial issue or outfitting and stocked
codes
Definition
--Nonreparable item. When unserviceable, condemn
Z
only for subsequent or additional initial issues or
and dispose at the level indicated in position 3.
outfittings. Not subject to automatic replenish-
F
--Reparable item. When uneconomically reparable,
ment.
AD--Item to be assembled at depot maintenance level.
condemn and dispose at the direct support level.
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