Unit of Measure (U/M).
Indicates the standard of the basic quanti-
ty of the listed item as used in performing the actual maintenance function.
This measure is expressed by a two-character alphabetical abbreviation (e.g.,
ea., in, pr, etc).
When the unit of measure differs from the unit of issue,
the lowest unit of issue or issue that will satisfy the required units of
measure will be requisitioned.
Quantity incorporated in Unit.
Indicates the quantity of the item
used in the breakout shown on the 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 that no specific quantity is
applicable, (e.g., shims, spacers, etc).
Detailed manufacturing instructions for items source coded to be
manufactured or fabricated are found in TM 55-2835-208-23.
required to manufacture items are listed in Bulk Material Group of this manual.
Detailed assembly instructions for items source coded to be as-
sembled are found in TM 55-2835-208-23.
Assembly components are listed imme-
diately following the item to be assembled.
The following publications pertain to the APU and its components:
Publication and Short Title
Aviation Unit and Intermediate Maintenance, APU
Depot Maintenance, APU
Depot Maintenance, Fuel Control
When details of an assembly are shown on another text page, the
description of that assembly is followed by a notation stating where these
details can be located. Example:
161954-100, Fuel Control, See Figure 6 for
Breakdown. The parts that make up the Fuel Control will be found on the next
text listing for Figure 6.
MS9388-XXX preformed packings may be used in lieu of M83248/1-XXX
preformed packings in all locations.
MS9387-YY preformed packings may be used
in lieu of M83248/1-9YY preformed packings in all locations.
XXX and YY represent the dash numbers of the preformed packings.)
How to Locate Repair Parts.
When National Stock Number or Part Number is Unknown:
( 1 ) F i r s t.
Using the table of contents, determine the functional
group within which the item belongs.
This is necessary since illustrations
are prepared for functional groups, and listings are divided into the same
Second. Find the illustration covering the functional group to
which the item belongs.