part numbers in the Part Number Index are listed in ascending alphanumeric sequence (see 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 in the repair parts list for the figure.
(consists of the last 9
digits of the NSN)
Repair Parts and Special