b. Federal Stock Number, Column 2. This col-
Explanation
Code
X2--Repair parts which are not stocked. The in-
umn indicates the Federal stock number assigned
dicated maintenance category requiring
to the item and will be used for requisitioning
such repair parts will attempt to obtain
purposes.
same through cannibalization. Where such
c. Description Column 3. This column indi-
repair parts are not obtainable through
cates the Federal item name and any additional
cannibalization, requirements will be
description of the item required. The index num-
requisitioned, with accompanying justifi-
ber has been included as part of the description
cation, through normal supply channels.
to aid in location of "same as" items. A part num-
ber or other reference number is followed by the
G--Major assemblies that are procured with
applicable five-digit Federal supply code for
PEMA funds for initial issue only as ex-
manufacturers in parentheses.
change assemblies at DSU and GSU level.
d. Unit of Measure, Column 4. A two-char-
These assemblies will not be stocked
acter alphabetic abbreviation indicating the
above DS and GS level or returned to de-
amount or quantity of the item upon which the
pot supply level.
allowances are based; e.g., ft, ea, pr, etc.
(2) Maintenance code indicates the lowest
e. Quantity Incorporated in Unit, Column 5.
category of maintenance authorized to install the
This column indicates the quantity of the item
listed item. The maintenance level codes are-
used in the AN/USM-98A and AN/USM-98B.
Explanation
Code
f. 15-Day Organizational Maintenance Allow-
C . . . . . . Operator/crew
ante.
O . . . . . . . Organizational maintenance
(1) The allowance columns are divided into
four subcolumns. Indicated in each subcolumn
(3) Recoverability code indicates whether
opposite the first appearance of each item is the
unserviceable items should be returned for re-
total quantity of items authorized for the number
covery or salvage. Items not coded are expend-
of equipments supported. Subsequent appear-
able. Recoverability codes are-
ances of the same item will have the letters
Code
Explanation
"REF" in the allowance columns. Items au-
R--Repair parts and assemblies that are eco-
thorized for use as required, but not for initial
nomically repairable at DSU and GSU
stockage, are identified with an asterisk in the
activities and are normally furnished by
allowance column.
supply on an exchange basis.
(2) The quantitative allowances for organi-
S-Repair parts and assemblies which are eco-
zational level of maintenance represents one in-
nomically repairable at DSU and GSU
itial prescribed load for a 15-day period for the
activities and which normally are fur-
number of equipments supported. Units and or-
nished by supply on an exchange basis.
ganizations authorized additional prescribed loads
When items are determined by a GSU to
will multiply the number of prescribed loads
be uneconomically repairable, they will
authorized by the quantity of repair parts re-
be evacuated to a depot for evaluation
flected in the density column applicable to the
and analysis before final disposition.
number of items supported to obtain the total
quantity of repair parts authorized.
T--High dollar value recoverable repair parts
(3) Organizational units providing mainte-
which are subject to special handling and
nance for more than 100 of these equipments shall
are issued on an exchange basis. Such
determine the total quantity of parts required by
repair parts normally are repaired or
converting the equipment quantity to a decimal
overhauled at depot maintenance activi-
factor by placing a decimal point before the next
ties.
to last digit of the number to indicate hundredths,
U--Repair parts specifically selected for sal-
and multiplying the decimal factor by the parts
vage by reclamation units because of
quantity authorized in the 51-100 allowance col-
precious metal content, critical materials,
umn. Example, authorized allowance for 51-100
or high dollar value reusable casings or
equipments is 40; for 150 equipments multiply 40
castings.
by 1.50 or 60 parts required.
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