C-3. Explanation of Columns. (Cont.)
Repairable item. When uneconomically repairable. condemn and dispose at the general support
Repairable item. When beyond lower level repair capabilit y, return to depot. Condemnation and
disposal not authorized below depot level.
Repairable itern. Repair, condemnation, and disposal not authorized below depot/specialized
repair activity level.
Item requires special handling or condemnation procedures because of specific reasons (i.e.,
precious metal content, high dollar value, critical material or hazardous material,). Refer to
appropriate manuals/directives for specific instructions.
C. National Stock Number. Indicates the National stock number assigned to the item and which will be
used for requisitioning purposes.
d. Part Number. Indicates the primary number used by the manufacturer (individual, company, firm,
corporation, or Government activity), which controls the design and characteristics of the item by means of
its engineering drawings, specifications, standards, and inspection requirements to identify an item or
range of items.
When a stock numbered item is requisitioned, the item received may have a
different part number than the part being replaced.
e. Federal Supply Code for Manufacturer (FSCM). The FSCM is a 5-digit numeric code listed in S B
708-42 which is used to identify the manufacturer, distributor, or Government Agency, etc.
f. Description. Indicates the Federal item name and, if required; a minimum description to identify the
g. Unit of Measure U/M. Indicates the standard of the basic quantity 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 that will satisfy the required units of measure will be requisitioned.
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 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,
C-4. How To Locate Repair Parts.
a. When National Stock Number or Part Number is Unknown:
(1) First. Using the table of contents, determine the functional group within which the repair part belongs.
This is necessary since illustrations are prepared for functional groups, and listings are divided into the same
(2) Second. Find the illustration covering the functional group to which the repair part belongs.