FSCM. The Federal Supply Code for Manufacturer (FSCM) is a five digit numeric code which is used to
identify the manufacturer, distributor, or Government agency, etc., that supplies the item.
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.
Note: When you use a NSN to requisition an item, the item you receive may have a different part number
from the part ordered.
Description. Indicates the Federal item name and, if required, a minimum description to identify the item.
Items that are included in kits and sets are listed below the name of the kit or set with the quantity of each item in the kit
or set indicated in the unit column. When the part to be used differs between serial numbers of the same model, the
effective serial numbers are shown as the last line of the description. In the Special Tools List, the initial basis of issue
(BOI) appears as the last line in the entry for each special tool, special TMDE, and other special support equipment.
When density of equipments supported exceeds density spread indicated in the BOI, the total authorization is increased
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 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.
QTY. The QTY (quantity per figure column) 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 the quantity is variable and the quantity may vary from application to
EXPLANATION OF COLUMNS (Section IV)
Use the following subparagraphs as applicable:
Usable on Codes. The usable on code appears in the lower left corner of the Description column heading.
Usable on codes are shown as "UOC: ......" in the Description Column (justified left) on the first line applicable item
description/nomenclature. Uncoded items are applicable to all models.
Fabrication Instructions. Bulk materials required to manufacture items are listed in the Bulk Material
Functional Group of the RPSTL Part numbers for bulk materials are also referenced in the description column of the /
line item entry for the item to be manufactured/fabricated. Detailed fabrication instructions for item source codes to be
manufactured or fabricated are found in Volume 1 through Volume 17.