ITEM column. The item number is that number assigned to the item as it appears in the figure referenced
in the adjacent figure number column.
STOCK NUMBER column. This column lists the NSN for the item.
CAGE CODE column. The Commercial and Government Entity (CAGE) Code is a 5-digit numeric or
alphanumeric code used to identify the manufacturer, distributor, or Government agency, etc., that supplies the
PART NUMBER column. Indicates the primary number used by the manufacturer (individual, 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.
C-5. Special Information. Use the following subparagraphs as applicable:
USABLE ON CODE. 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. Identification of the usable on codes used in the
FABRICATION INSTRUCTIONS. Bulk materials required to manufacture items are listed in the Bulk Material
Functional Group of this RPSTL. Part numbers for bulk materials are also referenced in the description column of the line
entry for the item to be manufactured/fabricated. Detailed fabrication instructions for items source codes to be
manufactured or fabricated are not applicable.
ASSEMBLY INSTRUCTION. Detailed assembly instructions for items source coded to be assembled from
component spare/repair parts are not applicable. Items that make up the assembly are listed immediately following the
assembly item entry or reference is made to an applicable figure.
KITS. Line item entries for repair parts kits appear in a group in Section II (Not Applicable).
INDEX NUMBERS. Items which have the word BULK in the figure column will have an index number shown in
the item number column. This index number is a cross-reference between the National Stock Number/Part Number
Index and the bulk material list in Section II.