TM 5-4310-275-25P
installation will indicate in the source column the
of equipments supported. Subsequent appear-
higher category.
antes of the same item will have the letters "REF"
c. The following publications pertain to the
in the applicable allowance column. To locate the
compressor and its components:
referenced item, locate the FSN or reference
number in the index. The earliest figure and item
TM 5-4310-
Operator, Organiza-
number is the referenced item. Items authorized
27515
tional, Direct and
for use as required but not for initial stockage
General Support and
are identified with an asterisk in the allowance
Depot Maintenance
column.
Manual
(2) The quantitative allowances for DS/GS
Lubrication Order
LO 5-4310-
levels of maintenance will represent initial stock-
275-12
age for a 30-day period for the number of equip-
d. The same illustrations are used to illustrate
ments supported.
the repair parts and special tools listed in both
(3) To determine allowances when support-
organizational maintenance section and direct
ing more than 100 of these equipments: First,
and general support and depot maintenance sec-
divide the number of equipments supported by
tion.
100 by moving the decimal two spaces left;
second, multiply the result by the quantity in the
51100 density column. Example, authorized al-
lowance for 51-100 equipments is 40; for 150
a. When Federal stock number or reference
equipments, multiply 40 by 1.50 or 60 parts re-
number is unknown:
quired.
(1) First. Using the Table of Contents, de-
h. One-Year Allowance Per 100 Equipments/
termine the assembly group within which the re-
Contingency Planning Purposes. Indicates, oppo-
pair part belongs. This is necessary, since illustra-
site the first appearance of each item, the total
tions are prepared for assembly groups, and list-
quantity required for distribution and contingency
ings are divided into the same groups.
planning purposes. The range of items indicates
(2) Second. Find the illustration covering the
total quantities of all authorized items required
assembly group to which the repair part belongs.
to provide for adequate support of 100 equip-
(3) Third. Identify the repair part on the il-
ments for one year. Subsequent appearances of
lustration and note the illustration figure and item
the same item will have the letters "REF" in the
number of the repair part.
allowance column.
(4) Fourth. Using the Repair Parts Listing,
i. Depot Maintenance Allowance Per 1 0 0
find the assembly group to which the repair part
Equipments. Indicates, opposite the first appear-
belongs and locate the illustration figure and
ance of each item, the total quantity authorized
item number noted on the illustration.
for depot maintenance of 100 equipments. Subse-
b. When Federal stock number or reference is
quent appearances of the same item will have the
known:
letters "REF" in the allowance column. Items
(1) First. Using the Index of Federal Stock
authorized for use as required but not for initial
Numbers and Reference Numbers, find the perti-
stockage are identified with an asterisk in the al-
nent Federal stock number or reference number.
lowance column.
This index is in ascending FSN sequence fol-
lowed by a list of reference numbers in alpha-
j. Illustration. This column is divided as
numeric sequence, cross-referenced to the illustra-
follows :
tion figure number and item number.
(1) Figure number. Indicates the figure
(2) Second. Using the Repair Parts Listing,
number of the illustration in which the item is
find the assembly group of the repair part and
shown.
the illustration figure number and item number
(2) Item number. Indicates the callout num-
referenced in the Index of Federal Stock Numbers
ber used to reference the item in the illustration.
and Reference Numbers.
c. When the Federal stock number or reference
4. S p e c i a l
Information
number is known and the repair part is not il-
a. Repair parts mortality has been based on
lustrated:
1200 hours of operation per year.
(1) First. Using the Index of Federal Stock
Numbers and Reference Numbers, find the perti-
b. Parts which require manufacture or assem-
nent Federal stock number or reference number
bly at a category higher than that authorized for
