TM 1-1520-238-23P
6
b. PART NUMBER INDEX.
Part numbers in this index are listed by part number in ascending alphanumeric
sequence (i.e., vertical arrangement of letter and number combination which places the first letter or digit of each
group in order A through Z, followed by the numbers 0 through 9 and each following letter or digit in like order).
(1) FSCM/CAGE column.
The Federal Supply Code for Manufacturer (FSCM/CAGE) is a 5-digit numeric
code used to identify the manufacturer, distributor, or Government agency, etc., that supplies the item.
(2) 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.
(3) STOCK NUMBER column.
This column lists the NSN for the associated part number and manufac-
turer identified in the PART NUMBER and FSCM/CAGE columns to the left.
(4) FIG. column
This column lists the number of the figure where the item is identified/located in Section
II and Section III.
(5) 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.
c. FIGURE AND ITEM NUMBER INDEX.
(1) FIG. column.
This column lists the number of the figure where the item is identified/located. The
figures are in numerical order in Section II and Section III.
(2) 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.
(3) STOCK NUMBER column.
This column lists the NSN for the item.
(4) FSCM/CAGE column.
The Federal Supply Code for Manufacturer (FSCM/CAGE) is a 5-digit numeric
code used to identify the manufacturer, distributor, or Government agency, etc., that supplies the item.
(5) 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.
5. Special Information.
a. 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.
b. 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 items
source coded to be manufactured or fabricated are found in TM 1-1520-238-23.
c. ASSEMBLY INSTRUCTION.
Detailed assembly instructions for items source coded to be assembled from
component spare/repair parts are found in TM 1-1520-238-23. Items that make up the assembly are listed immedi-
ately following the assembly item entry or reference is made to an applicable figure.
