National Education Association 
National Endowment for the Arts 
Nuclear Energy Agency 
negative electron affinity 
National Energy Act 
Near Earth Asteroid 
National Energy Act of 1978 
Nepal Electricity Authority 
Nitrogen Enriched Air 
Noise Equivalent Angle 
Non-Explosive Actuator 
North East Asia 
National Educational Association 
National Electronic Association 
National Environment Agency 
National Environmental Act 
National Erectors Association 
National Exhibitors Association 
Near Eastern Affairs 
Negative Exposure Assessment 
Nepal Electricity Authority's 
Net expenditure accrued 
NEtwork Architecture 
Netzwerk Architektur 
NEtzwerkArchitektur 
New England Airlines 
New England Astronomers 
NITROGEN ENGINE ASSEMBLY 
noise equivalent absorbance 
Non effective Airframe