EXPLANATIONS OF CLOUMNS (SECTION IV) (Con't)
(4) CAGE Column. The Commercial and Government Entity (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.
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. Not Applicable.
b. Fabrication Instructions. Bulk materiels required to manufacture items are listed in the Bulk Materiel
Functional Group of this RPSTL. Part numbers for bulk materiels 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 Appendix G of this manual.
c. Assembly Instructions. Detailed assembly instructions for items source coded to be assembled from
component spare/repair parts are found in Chapters 4 and 5. Items that makeup the assembly are listed immediately
following the assembly item entry or reference is made to an applicable figure.
d. Kits. Line item entries for repair parts kits appear in group 9401 in Section II. Not Applicable.
e. Index Numbers. Items which have the word BULK in the FIG. column will have an index number shown in
the item column. This index number is a cross-reference between the National Stock Number/Part Number Index and
the bulk materiel list in Section Il.
HOW TO LOCATE REPAIR PARTS
a. When National Stock Number or Part Number is Not Known:
(1) First. Using the Table of Contents, determine the assembly group or subassembly group to which the
item belongs. This is necessary since figures are prepared for assembly groups and subassembly groups, and listings
are divided into the same groups.
(2) Second. Find the figure covering the assembly group or subassembly group to which the item
(3) Third. Identify the item on the figure and use the Figure and Item Number Index to find the NSN.
b. When National Stock Number or Part Number is Known:
(1) First. Using the National Stock Number or Part Number Index, find the pertinent National Stock
Number or Part Number. The NSN Index is in National Item identification Number (NIIN) sequence [see paragraph
F-4.a(1)]. The part numbers in the Part Number Index are listed in ascending alphanumeric sequence (see paragraph
F-4. b). Both indexes cross-reference you
to the illustration/figure and item number
of the item you are looking for.
(2) Second. Turn to the figure and item number, verify that the item is the one you're looking for, then
locate the item number the repair parts list for the figure.
For standard abbreviations see MIL-STD-12D, Military Standard Abbreviations for Use on Drawings, Specifications,
Standards, and in Technical Documents.