is no longer economically repairable it is normally
each item, is the total quantity of items authorized for the
disposed of at the GS level.
number of equipments supported. Subsequent appearances
considerations dictate, some of these repair parts
of the same item will have the letters "REF" in the applicable
may be listed for automatic return to supply for depot
allowance columns. Items authorized for use as required but
level repair as set forth in AR 710-50. When so listed,
not for initial stockage are identified with an asterisk in the
they will be replaced by supply on an exchange basis.
Repair parts, special tools, test equipment and
assemblies which are economically reparable at DSU
(2) The quantitative allowances for DS/GS levels of
and GSU activities and which normally are furnished
maintenance will represent initial stockage for a 30-day period
by supply on an exchange basis. When items are
for the number of equipments supported.
determined by a GSU to be uneconomically
reparable, they will be evacuated to a depot for
(3) Determination of the total quantity of parts required for
evaluation and analysis before final disposition.
maintenance of more than 100 of these equipments can be
High dollar value recoverable repair parts, special tools
accomplished by converting the equipment quantity to a
and test equipment which are subject to special
decimal factor by placing a decimal point before the next to last
handling and are issued on an exchange basis. Such
digit of the number to indicate hundredths, and multiplying the
items will be evacuated to the depot for overhaul or
decimal factor by the parts quantity authorized in the 51-100
This criteria is interpreted as
allowance column. Example, authorized allowance for 51-100
including items like engines even though minor
equipments is 40; for 150 equipments multiply 40 by 1.50 or 60
adjustments/repairs are authorized at below depot
Support Items will be repaired/overhauled only at
g. 1-Year Allowances Per 100 Equipment/Contingency
Planning Purposes, Column 8. This column indicates opposite
Repair parts, special tools and test equipment
the first appearance of each item the total quantity required for
specifically selected for salvage by reclamation units
distribution and contingency planning purposes. The range of
because of precious metal content, critical materials,
items indicates total quantities of all authorized items required
high dollar value or reusable casings or castings.
to provide for adequate support of 100 equipments for one
b. Federal Stock Number, Column 2. This column indicates
h. Depot Maintenance Allowance Per 100 Equipments,
the Federal Stock Number assigned to the item and will be
Column 9. This column indicates opposite the first appearance
used for requisitioning purposes.
of each item, the total quantity authorized for depot
c. Description, Column 3. This column indicates the Federal
maintenance of 100 equipments. Subsequent appearances of
item name and any additional description of the item required.
the same item will have the letters "REF" in the allowance
The abbreviation "w/e" when used as a part of the
column. Items authorized for use as required but not for initial
nomenclature, indicates the Federal stock number includes all
stockage are identified with an asterisk in the allowance
armament, equipment, accessories, and repair parts issued
with the item. A part number or other reference number is
followed by the applicable five-digit Federal supply code for
i. Illustration, Column 10. This column is divided as follows:
manufacturers in parentheses.
d. Unit of Measure (U/M), Column 4. A 2 character
(1) Figure Number Column 10a. Indicates the figure
alphabetic abbreviation indicating the amount or quantity of the
number of the illustration in which the item is shown.
item upon which the allowances are based e.g., ft, ea, pr, etc.
(2) Item Number Column 10b . Indicates the callout
e. Quantity Incorporated in Unit, Column 5. This column
number used to reference the item in the illustration.
indicates the quantity of the item used in the assembly or the
portion illustrated. A "V" appearing in this column in lieu of a
4. Special information
quantity indicates that a definite quantity cannot be indicated,
(e.g., shims, spacers, gaskets, etc.).
a. Action change codes indicated in the left hand margin of
f. 30-Day DS/GS Maintenance Allowances, Columns 6 and
the listing page denote the following:
N-Indicates an added item not
Note: Allowances in GS column are for GS maintenance
C-Indicates a change in data.
F-Indicates a change in FSN only.
(1) The allowance columns are divided into three
subcolumns. Indicated in each subcolumn, opposite the first