TO 31S9-4-31-1 Chg 1
d. Part Number. Indicates the primary number
h. Quantity Furnished With Equipment (Basic
used by the manufacturer (individual, company, firm,
Issue Items Only). Indicates the quantity of the basic
corporation, or Government activity), which controls the
issue item furnished with the equipment.
design and characteristics of the item by means of it's
i. Quantity Authorized (Items Troop Installed or
engineering drawings, specifications standards, and
Authorized Only). Indicates the quantity of the item
inspection requirements, to identify an item or range of
authorized to be used with the equipment will be
For BIIL and ITIAL, see explanation of
description column, in f, below.
j. Quantity Incorporated in Unit. Indicates the
quantity of the item used in the breakout shown on the
When a stock numbered item is
illustration figure, which is prepared for a functional
requisitioned, the repair part
group, subfunctional group, or an assembly. A "V"
received may have a different part
appearing in this column in lieu of a quantity indicates
number than the part being
that no specific quantity is applicable (e.g., shims,
e. Federal Supply Code for Manufacturer (FSCM).
The FSCM is a five-digit numeric code listed in SB 708-
C-4. Special Information
42 which is used to identify the manufacturer,
distributor, or Government agency, etc. For BIIL and
ITIAL, see explanation of description column, in f.
C-5. How to Locate Repair Parts
a. When National Stock Number or Part Number is
f. Description. Indicates the Federal item and, if
required, a minimum description to identify the item. (In
BIIL and ITIAL only, the following will be used: The last
Using the table of contents,
line for each item in the BIIL and ITIAL indicates the part
determine the assembly group within which the repair
number with the FSCM in parentheses. Items that are
part belongs. This is necessary since illustrations are
included in kits and sets are listed below the name of
prepared for assembly groups and listings are divided
the kit or set with the quantity of each item in the kit or
into the same groups.
set indicated in the quantity incorporated in unit column.
(2) Second. Find the illustration covering the
When the part to be used differs between serial
assembly group to which the repair part belongs.
numbers of the same model, the effective serial
numbers are shown as the last line of the description. In
(3) Third. Identify the repair part on the
the Special Tools List, the initial basis of issue (B01)
illustration and note the illustration figure and item
appears as the last line in the entry for each Special
number of the repair part.
Tool, TMDE, and support equipment. When density of
(4) Fourth. Using the Repair Parts Listing,
equipments sup- ported exceeds density spread
find the figure and item number noted on the illustration.
indicated in the basis of issue, the total authorization is
b. When National Stock Number or Part Number is
g. Unit of Measure (U/M). Indicates the standard
(1) First. Using the Index of National Stock
of the basic quantity of the listed item as used in
Numbers and Part Numbers, find the pertinent National
performing the actual maintenance function.
stock number or part number.
This index is in
measure is expressed by a two- character alphabetical
ascending alpha-numeric sequence, cross-reference to
abbreviation (e.g., ea, in, pr, etc.). When the unit of
the illustration figure number and item number
measure differs from the unit of issue, the lowest unit of
issue that will satisfy the required units of measure will
(2) Second. After finding the figure and item
number, locate the figure and item number in the repair