Unit of Measure (U/M).
into the same groups.
standard of the basic quantity of the listed item as used
in performing the actual maintenance function. This
(2) Second. Find the illustration covering the
measure is expressed by a two-character alphabetical
functional group to which the item belongs.
abbreviation (e.g., ea, in, pr, etc). When the unit of
measure differs from the unit of issue, the lowest unit of
(3) Third. Identify the item on the illustration
issue that will satisfy the required units of measure will
and note the illustration figure and item number of the
Quantity Incorporated in Unit Indicates the
(4) Fourth. Using the Repair Parts Listing,
quantity of the item uses in the breakout shown on the
find the figure and item number noted on the illustration.
illustration figure, which is prepared for a functional
group, subfunctional group, or an assembly. A "V"
appearing in this column in lieu of a quantity indicates
Number is Known:
that no specific quantity is applicable, (e.g., shims,
(1) First. Using the Index of National Stock
Numbers and Part Numbers, find the pertinent National
stock number or part number. This index is in NIIN
sequence followed by a list of part numbers in
alphameric sequence, cross-referenced to the illustration
figure number and item number.
HOW TO LOCATE REPAIR PARTS
(2) Second. After finding the figure and item
number, locate the figure and item number in the repair
Number is Unknown:
(1) First. Using the table of contents,
determine the functional group within which the item
This is necessary since illustrations are
prepared for functional groups, and listings are divided