NatCo National Company
NATS North American Telephone System
NAV Navigation
NAVAID Navigation Aid
NBCM Normal Brake Control Manifold
NBF Network BITE Function
NBPT No Break Power Transfer
NBS National Bureau of Standards
NBSELV Normal Brake Selector Valve
NC Normally Closed
NCC Nacelle Compartment Cooling
NCD No Computed Data
NCH Noise Compensated Headset
NCR NSS Communication Router
NCU Navigation Computer Unit
NCU NSS Control Unit
NCV Nacelle Cooling Valve
ND Navigation Display
NDB Navigation Data Base
NDB Non-Directional Radio Beacon
NDB Non-Directional Beacon
NDM Noise Definition Manual
NDT Non-Destructive Test
NEG Negative
NFC Not Fully Closed
NFO Not Fully Open
NFOV Narrow Field of View
NHA Next Higher Assembly
NLA Non-Listed Assembly
NLCP Noise Level Calculation Program
NLG Nose Landing Gear
NM Nautical Mile
Nm Moment (Newtonmeter)
NMI Non Maskable Interrupt
NO Normal Operation
NO Normal Operation in SSM
NO Normally Open
No Number
NonflaG Non-Flammable Compressor Gas
NOPT No Procedure Turn Required
NORM Normal
NORM ALIGN Normal Alignment
NOTAM Notice to Airmen
NOVOLRAM Non-Volatile Random Access Memory
NOVOLRAM Non-volatile Random Access Memory
NP Non Procurable
NPN Negative-Positive-Negative
NPT National Taper Pipe (Thread)
NPV Net Present Value
NRC Non-Recurring Cost
NRP Navigation Reference Point
NRZ Non Return To Zero
NS No Smoking
NSA Norme Sud Aviation
NSCM NATO Supply Code for Manufacturers
NSDW Non Specific Design Work
NSIU Nose Static Interface Unit
NSS Network Server System
NSU Network Server Unit
NTM Nondestructive Testing Manual
NTO No Technical Objection
NTSC National Television System Committee
NTWK Network
NUA Normal Unlock Actuator
NUM Numerical
NVM Non-Volatile Memory
NVM Non Volatile Memory
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