TO 31S9-4-36-1 Chg 2
In the Special Tools List, the initial basis of issue (BOI)
C-4. Special Information
appears as the last line in the entry for each Special
Tool. TMDE, and support equipment. When density of
equipments supported exceeds density spread indicated
in the basis of issue, the total authorization is increased
C-5. How to Locate Repair Parts
g. Unit of Measure (U/M). Indicates the standard
a. When National Stock Number or Part Number
of the basic quantity of the listed item as used in
performing the actual maintenance function.
(1) First. Using the table of contents,
measure is expressed by a two-character alphabetical
determine the assembly group within which the repair
abbreviation (e.g., ea, in, pr, etc.). When the unit of
part belongs. This is necessary since illustrations are
measure differs from the unit of issue, the lowest unit of
prepared for assembly groups and listings are divided
issue that will satisfy the required units of measure will
into the same groups.
(2) Second. Find the illustration covering
h. Quantity Furnished With Equipment (Basic
the assembly group to which the repair part belongs.
Issue Items Only). Indicates the quantity of the basic
(3) Third. Identify the repair part on the
issue item furnished with the equipment.
illustration and note the illustration figure and item
i. Quantity Authorized (Items Troop Installed or
number of the repair part.
Authorized Only). Indicates the quantity of the item
(4) Fourth. Using the Repair Parts Listing,
authorized to be used with the equipment will be
find the figure and item number noted on the illustration.
b. Whey National Stock Number or Part Number
j. Quantity lncorporated in Unit. Indicates the
quantity of the item used in the breakout shown on the
(1) First. Using the index of National stock
illustration figure, which is prepared for a functional
numbers and part numbers, find the pertinent national
group, subfunctional group, or an assembly. A "V"
stock number or part number.
This index is in
appearing in this column in lieu of a quantity indicates
ascending alpha-numeric sequence, cross-referenced to
that no specific quantity is applicable (e.g., shims,
the illustration figure number and item number.
(2) Second. After finding the figure and
item number, locate the figure and item number in the
repair parts list.
Change 2 C-3