4. Special Information
Material required for manufacture or fabrication is
identified.
a. Repair parts mortality has been based on 3,000
d. Unit of Issue. This column indicates the unit
hours of operation per year.
used as a basis for issue; e.g., ea, pr, ft, yd, etc.
b. Parts which require manufacture or assembly at
e. Quantity Incorporated in Unit Pack. This column
a category higher than that authorized for installa-
indicates the actual quantity contained in the unit
tion will indicate in the source column the higher
pack.
category.
f. Quantity Incorporated in Unit. This column
c. The following publications pertain to the air
indicates the quantity of the item used in the func-
compressor and its components:
tional group.
TM 5-4310-247-15
Organizational, DS, GS,
g. Fifteen-Day Organizational Maintenance Allow-
and Depot Maintenance
ance, Column (4) of Section II and Column (7) of
Manual
Sections III and IV.
LO 5-4310-247-15
Lubrication Order
(1) The allowance columns are divided into four
subcolumns. Indicated in each subcolumn is the quan-
tity of items authorized for the number of equip-
5. How to Locate Repair Parts
ments supported. Items authorized for use as
required but not for initial stockage are identified
a. When Federal stock number or reference number
with an asterisk in the allowance column.
is unknown:
(1) First. Using the table of contents, determine
(2) The quantitative allowances for organiza-
tional level of maintenance represents one initial
the functional group within which the repair part
prescribed load for a 15-day period for the number
belongs.
(2) Second. Find the illustration covering the
of equipments supported. Units and organizational
authorized additional prescribed loads will multiply
functional group to which the repair part belongs.
(3) Third. Identify the repair part on the illus-
the number of prescribed loads authorized by the
quantity of repair parts reflected in the appropriate
tration, and note the illustration figure and item
density column applicable to the number of items
number of the repair part.
(4) Fourth. Using the Repair Parts Listing, find
supported to obtain the total quantity of repair parts
authorized.
the functional group to which the repair part belongs
(3) Organizational units providing maintenance
and locate the illustration figure and item number
for more than 100 of these equipments shall deter-
noted on the illustration.
b. When Federal stock number or reference num-
mine the total quantity of parts required by con-
verting the equipment quantity to a decimal factor
ber is known:
(1) First. Using the Index of Federal Stock Num-
by placing a decimal point before the next to last
digit of the number to indicate hundredths, and
bers and Reference Numbers, find the pertinent
multiplying the decimal factor by the parts quantity
Federal stock number or reference number. This
authorized in the 51-100 allowance column. Example,
index is in ascending alphanumeric sequence cross-
authorized allowance for 51-100 equipments is 40; for
referenced to an index number.
(2) Second. Using the Repair Parts Listing, find
150 equipments, multiply 40 by 1.50 or 60 parts
required.
the index number referenced in the Index of Federal
(4) Subsequent changes to allowances will be
Stock Numbers and Reference Numbers.
limited as follows: No change in the range of items is
authorized. If additional items are considered neces-
6. Abbreviations
sary, recommendation should be forwarded to U.S.
deg . . . . . . ..degree (s)
Army Mobility Equipment Command for exception
ea . . . . . . . . ..each
or revision to the allowance list. Revisions to the
ft . . . . . . . .. feet(foot)
range of items authorized will be made by this Com-
gl . . . . . . . . ..gallon
mand based upon engineering experience, demand
grp.. . . . . . group
data, or TAERS information.
id. . . . . . .inside diameter
in . . . . . . . . ..inch
h. Illustration, Column (8). This column is divided
lg . . . . . . . . ..long(length)
as follows:
lh. , . . . . . . ..left-hand
(1) Figure number, column (8)(a). Indicates the
mtg. . . . . .. . mounting
No. . . . . . . ..number(s)
figure number of the illustration in which the item
NPT. . . .. . . . . National Taper Pipe (Thread)
is shown.
od . . . ... . . . . . outside diameter
(2) Item number, column (8)(b). Indicates the
rh. . . . . . . .. . right-hand
callout number used to reference the item in the
thd . . . . . . . . thread (ed)
illustration.
thk . . . . . . . . . . thick (ness)
