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
C.5 SPECIAL INFORMATION .
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 coded to be manufactured or fabricated are found in this manual.
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.
C.6 HOW TO LOCATE REPAIR PARTS.
When National Stock Numbers or Part Numbers are NOT Known.
First. Using the table of contents, determine the assembly 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.
Second. Find the figure covering the assembly group or subassembly group to which the
Third. Identify the item on the figure and use the Figure and Item Number Index to find the
When National Stock Number or Part Number is Known.
First. Using the of National Stock Number and Part Number Indexes find the pertinent
National Stock Number or Part Number. The NSN index is in National Item Identification Number (NIIN)
sequence (see paragraph C.4.a). The part numbers in the Part Number index are listed in ascending
alphanumeric sequence (see paragraph C.4.b.). Both indexes cross-reference you to the illustration/figure and
item number of the item you are looking for
Second. Turn to the figure and item number, verify that the item is the one you are looking
for, then locate the item number in the repair parts list for the figure
C.7 ABBREVIATIONS. Abbreviations used in this manual are listed in MIL-STD-12.