TM 9-4931-374-13&P
C-3. EXPLANATION OF COLUMNS (cont)
g. Unit of Measure (U/M). Indicates the standard of the basic quantity
(1) First. Using the table of contents, determine the applicable
of the listed item as used in performing the actual maintenance function. This
functional group or subgroup within which the item belongs. This is
measure is expressed by a two-character alphabetical abbreviation (e.g., ea,
necessary since illustrations are prepared for functional groups or subgroups,
in, pr, etc). When the unit of measure differs from the unit of issue, the
and listings are divided into the same groups.
lowest unit of issue that will satisfy the required units of measure will be
requisitioned.
(2) Second. Find the illustration covering the applicable functional
group or subgroup to which the item belongs.
h. Quantity Incorporated in Unit. Indicates the quantity of the item used
in the breakout shown on the illustration figure, which is prepared for a
(3) Third. Identify the item on the illustration and note the
functional group, subfunctional group, or an assembly. A "V" appearing in
illustration figure and item number of the item.
this column in lieu of a quantity indicates that no specific quantity is applicable
(e.g., shims, spacers, etc).
(4) Fourth. Using the Repair Parts Listing, find the figure and item
number noted on the illustration.
C-4. SPECIAL INFORMATION
b. When National Stock Number or Part Number is Known:
a. Detailed manufacturing instructions for items source coded to be
(1) First. Using the Index of National Stock Numbers and Part
manufactured or fabricated are found in appendix E of this manual. Bulk
Numbers, find the pertinent National stock number or part number. This
materials required to manufacture items are listed in the Bulk Material Group
index is in NIIN sequence followed by a list of part numbers in alphameric
of this manual.
sequence, cross-referenced to the illustration figure number and item
number.
b. Detailed assembly instructions for items source coded to be
assembled are found in appendix E of this manual. Assembly components
(2) Second. After finding the figure and item number, locate the
are listed immediately following the item to be assembled.
figure and item number in the repair parts list.
C-5. HOW TO LOCATE REPAIR PARTS
C-6. ABBREVIATIONS
a. When National Stock Number or Part Number is Unknown:
Not applicable.
C-6