NSF
NSF most often refers to the National Science Foundation, the U.S. agency that funds scientific research and education. In financial contexts it is shorthand for Not Sufficient Funds, indicating a failed payment.
Medical
No Significant Findings
Nuchal Skin Fold
NEM (N-EthylMaleimide) Sensitive Factor
Nephrogenic Systemic Fibrosis
Non-Sorbitol Fermenter
Miscellaneous
Community
National Scoliosis Foundation
National Sleep Foundation
National Schizophrenia Foundation
Naval Services Familyline
National Schizophrenia Fellowship
National Stakeholder Forum
Governmental
National Standard Format
National Secessionist Forum
Non-Spin Flip
Northern Special Forces
Non-Specific Finding
Academic & Science
National Science Foundation
Normal System Foundation
Not Sufficient Faculty
Nuclear Science Foundation
Net Square Footage
National Science Fdn
National Science
Needless Science Funding
Computing
Notes Standard File
National Service Framework
NES Sound Format
Non-Stop Forwarding
Notes Storage Facility
Non-Standard Facilities