TM
53421-208-35P
umn. Example, authorized allowance for 51-100
equipments is 40; for 1.50 equipments multiply
40 by 1.50 or 60 parts required.
g. One-Year Allowances Per 100 Equipments/
Contingency Planning Purposes, Column (8).
This column indicates the quantity required for
distribution and contingency planning purposes.
The range of items indicates total quantities of
all authorized items required to provide for ade-
quate support of 100 equipments for one year.
h. Depot Maintenance Allowance Per 100
Equipments, Column (9). This column indicates
the quantity authorized for depot maintenance
(4) This column also lists, below the SMR
of 100 equipments. Items authorized for use but
code, an index number for each item in ascend-
not for initial stockage are identified with an as-
ing numerical sequence, which is used to locate
terisk in the allowance column.
items in the publication when the Federal stock
number and/or reference number is known.
i. Illustration, Column (10).
b. Federal Stock Numbcr, Column (2). This
(1) Figure number, column (10) (a). Indi-
column indicates the Federal stock number for
cates the figure number of the illustration in
the item.
which the item is shown.
c. Description, Column (3). This column indi-
(2) Item number, column (10) (b). Indicates
cates the Federal item name and any additional
the callout number used to reference the item in
description of the item required. A part number
the illustration.
or other reference number is followed by the ap-
plicable five-digit Federal supply code for manu-
facturers in parentheses. Material required for
a. Repair parts mortality has been based on
manufacture or fabrication is identified.
1,000 hours of operation per year.
d. Unit of Issue, Column (4). This column in-
dicates the unit used as basis for issue, e.g., ea,
b. Parts which require manufacture or assem-
pr, ft, yd, etc.
bly at a category higher than that authorized for
installation will indicate in the source column
e. Quantity Incorporated in Unit, column (5).
This column indicates the quantity of the item
the higher category.
used in the functional group.
c. The following publications pertain to the
f. Thirty-Day DS/GS Maintenance Allowances,
welding set and its components:
Columns (6) and (7).
(1) The allowance columns are divided into
Operator, Organiza-
TM 5-3431-208-15
three subcolumns. Indicated in each subcolumn
tional, DS, GS, and
is the quantity of items authorized for the num-
Depot Maintenance
ber of equipments supported. Items authorized
Manual.
for use as required but not for initial stockage
TM 5-3431-
Organizational Main-
are identified with an asterisk in the allowance
tenance Repair
208-20P
column.
Parts and Special
(2) The quantitative allowances for DS/GS
Tool Lists.
levels of maintenance will represent initial stock-
age for a 30-day period for the number of equip-
ments supported.
a. When Federal stock number or reference
(3) Determination of the total quantity of
number is unknown:
parts required for maintenance of more than 100
(1) First. Using the table of contents, de-
of these equipments can be accomplished by con-
termine the functional group within which the
verting the equipment quantity to a decimal fac-
repair part belongs.
tor by placing a decimal point before the next
to last digit of the number to indicate hundredths,
(2) Second. Find the illustration covering
the functional group to which the repair part
and multiplying the decimal factor by the parts
belongs.
quantity authorized in the 51100 allowance col-
