National Technical Means
Network Traffic Management
Notice to Mariners
NATIONAL MOWER
Network Traffic Manager
National Technical Meeting
National Topographical Map
Naval Technical Means
neothramycin
Network Termination Maintenance
Network Tone Module
Network Topology Management
Network Trade Model
Network Transaction Manager
Network Trunk Module
neurotrimin
New to Market
New Trade Management
No Target Model
Non destructive Testing Manual
Nondeterministic Turing Machine
Nontariff Measure
Non-Transition Metal
nontuberculosis mycobacteria
nontuberculous mycobacteria
nontuberculous mycobacterial
Nontuberculous Mycobacteriosis
nontuberculous Mycobacterium
Normal-to-Metal
North American Airlines