How to Locate Repair Parts.
W h e n National Stock Number or Part Number is Not Known
F i r s t . Using the table of contents, determine the assembly group or subassembly
g r o u p 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
w h i c h the item belongs.
T h i r d . Identify the item on the figure and note the item number.
F o u r t h . Refer to the Repair Parts List for the figure to find the part number for the
item number note the figure.
Fifth. Refer to the Part Number Index to find the NSN, if assigned.
W h e n National Stock Number or Part Number is Known
First. Using the Index of National Stock Numbers and Part Numbers, find the
p e r t i n e n t National Stock Number or Part Number. The NSN index is in National Item Identification
N u m b e r (NIIN) sequence (see 4.a. (1)). The part numbers in the Part Number index are listed in
a s c e n d i n g alphanumeric sequence (see 4.b.). Both indexes cross-reference you to the illustration
figure and item number of the item you are looking for.
Second. After finding 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.
Basis of Issue
P a r t Number
Repair Parts and Special