Number index are listed in ascending alphanumeric
How to Locate Repair Parts.
sequence (see paragraph 4.b). Both indexes cross-
reference you to the illustration/figure and item number
a. When National Stock Number or Part
of the item you are looking for.
Number is Not Known:
(2) Second. Turn to the figure and item
(1) First. Using the table of contents,
number, verify that the item is the one you're looking for,
determine the assembly group or subassembly group to
then locate the item number in the repair parts list for the
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
For standard abbreviations see MIL-STD-12D, Military
Standard Abbreviations for Use on Drawings,
(3) Third. Identify the item on the figure
Specifications, Standards, and in Technical Documents.
and use the Figure and Item Number Index to find the
b. When National Stock Number or Part
Number is Known:
(consists of the last 9 digits of the NSN)
(1) First. Using the National Stock Number
or Part Number Index, find the pertinent National Stock
RPSTL.........Repair Parts and Special Tools List
Number or Part Number. The NSN index is in National
Item Identification Number (NIIN) sequence (see
paragraph 4.a.(1)). The part numbers in the Part