SECTION I TM 1-6625-3081-30P
11
(2) Second. Find the figure covering the assembly group or subassembly group to which the
item belongs.
(3) Third. Identify the item on the figure and use the Part Number Index to find the NSN.
b. When National Stock Number or Part Number is Known:
(1) First. Using the National Stock Number and Part Number Index, find the pertinent national
stock number or part number. The NSN index is in National Item Identification Number (NIIN)
sequence (see 4a (1)). The part numbers in the Part Number index are listed in ascending
alphanumeric sequence (see 4b). 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.
7. Abbreviations.
Abbreviation
Explanation
AVIM
Aviation Intermediate Maintenance
AVUM
Aviation Unit Maintenance
BNC
Bayonet N Connector
BOI
Basis of Issue
C/N
Control Number
CAGEC
Commercial and Government Entity Code
EETF
Electronic Equipment Test Facility
HDD
Heads Down Display
HOD
Heads Out Display
IVD
Indirect View Display
LRU
Line Replaceable Unit
NIIN
National Item Identification Number
(consists of the last nine digits of the NSN)
NSN
National Stock Number
OPT
Optical
RPSTL
Repair Parts and Special Tools List
