(2) Second. Find the illustration covering the func-
g. Unit of Measure (U/M). Indicates the standard of
tional group to which the item belongs.
the basic quantity of the listed item as used in perform-
(3) Third. Identify the item on the illustration and
ing the actual maintenance function. This measure is
note the illustration figure and item number of the item.
expressed by a two-character alphabetical abbreviation
(4) Fourth. Using the Repair Parts Listing, find the
(e.g., ea, in, pr, etc). When the unit of measure differs
figure and item number noted on the illustration.
from the unit of issue, the lowest unit of issue that will
b. When National stock number or part number is
satisfy the required units of measure will be requisi-
(1) First. Using the Index of National Stock
h. Quantity Incorporated in Unit. Indicates the
Numbers and Part Numbers, find the pertinent National
quantity of the item used in the breakout shown on the
stock number or part number. This index is in NIIN se-
illustration figure, which is prepared for a functional
quence followed by a list of part numbers in alphameric
group, subfunctional group, or an assembly.
sequence, cross-referenced to the illustration figure
4. Special Information
number and item number.
(2) Second. After finding the figure and item
The following publication pertains to the PP-3940/G
number, locate the figure and item number in the repair
and its components: TM 11-6130-247-15, Power Supply
5. How to Locate Repair Parts
a. When National stock number or part number is
(Next printed page is 5)