SECTION I TM 1-1270-476-23P
21/(22 Blank)
Abbreviation
Explanation
NIIN
National Item Identification Number
(consists of the last nine digits of the NSN)
NSN
National Stock Number
OIP
Optical Improvement Program
ORT
Optical Relay Tube
RPSTL
Repair Parts and Special Tools List
SN
Serial Number
SRA
Specialized Repair Activity
SRU
Shop Repairable Unit
SUB
Subsequent
TADS
Target Acquisition Designation Sight
V
Variable
WFOV
Wide Field-of-View
WSPS
Wire Strike Protection System