C 3, TM 11-4920-292-15
Explanation
Code
Code
Explanation
ing, and diagnostic equipment for COM-
R-Repair parts and assemblies that are eco-
SEC support, which are accountable
nomically repairable at DSU and GSU
under the provisions of AR 380-41, and
activities and are normally furnished
which are stocked and supplied by the
by supply on an exchange basis.
Army COMSEC logistic system.
S-Repair parts and assemblies which are eco-
M-Repair parts which are not procured or
nomically repairable at DSU and GS
stocked, but are to be manufactured in
activities and which normally are furn-
indicated maintenance levels. Assemb-
ished by supply on an exchange basis.
lies which are not procured or stocked as
When items are determined by GSU
such, but are made up of two or more
to be uneconomically repairable, they
units. Such component units carry in-
will be evacuated to a depot for evalua-
dividual stock numbers and descrip-
tion and analysis before final disposi-
tions, are procured and stocked separ-
tion.
ately, and can be assembled to form the
T-High-dollar value recoverable repair parts
required assembly at indicated main-
which are subject to special handling
tenance categories.
and are issued on an exchange basis.
X-Parts and assemblies which are not pro-
Such repair parts normally are repaired
cured or stocked and the mortality of
or overhauled at depot maintenance ac-
which normally is below that of the ap-
tivities.
plicable end item or component. The
U-Repair parts specifically selected for sal-
vage by reclamation units because of
failure of such part or assembly should
precious metal content, critical mater-
result in retirement of the end item
ials, or high-dollar value reusable casings
from the supply system.
X1-Repair parts which are not procured or
or castings.
stocked. The requirement for such items
b. Federal Stock Number. Indicates the Fed-
will be filled by use of the next higher as-
eral stock number assigned to the item and will
sembly or component.
be used for requisitioning purposes.
X2-Repair parts which are not socked. The
c. Description. Indicates the Federal item
indicated maintenance category requir-
name and any additional description of the item
ing such repair parts will attempt to ob-
required. The index number has been included
tain same through cannibalization.
as part of the description to aid in the location
Where such repair parts are not ob-
of "same as" items. A part number or other
tainable through cannibalization, re-
reference number is followed by the applicable
quirements will be requisitioned, with
five-digit Federal supply code for manufacturers
accompanying justification,
through
in parentheses.
normal supply channels.
G-Major assemblies that are procured with
d. Unit of Measure (U/M). A two character
PEMA funds for initial issue only as
alphabetic abbreviation indicating the amount
exchange assemblies at DSU and GSU
or quantity of the item upon which the allow-
level.
These assemblies
will not
ances are based, e.g., ft, ea, pr, etc.
be stocked above DS and GS level or
e. Quantity Incorporated in Unit. Indicates
returned to depot supply level.
the quantity of the item used in the AN/ASM-
(2) Maintenance codes indicate the lowest
339 (V) 1 and the MX-1040A/ASN. Subsequent
category of maintenance authorized to install the
appearances of the same item in the same as-
listed item. The maintenance level codes are-
sembly are indicated by the letters "REF."
Code
Explanation
C ---- Operator/crew
f. 15-Day Organizational Maintenance Allow-
O ---- Organizational maintenance
ances.
F ---- Direct support maintenance
(1) The allowance columns are divided into
H---- General support maintenance
four subcolumns. Indicated in each subcolumn
D ---- Depot maintenance
opposite the first appearance of each item is the
(3) Recoverability codes indicate whether
total quantity of items authorized for the number
unserviceable items should be returned for re-
of equipments supported. Subsequent appearances
covery or salvage. Items not coded are expend-
of the same item will have the letters "REF" in
able. Recoverability codes are-
C-2
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