[1] (U.S.) National Security Agency

[2] Never Say Anything (synonym zu 1.) ;-)

[3] No Such Agency (synonym zu 1.) ;-)

[4] Next Station Addressing (unter FDDI)

[5] National Standards Association

[6] Network Software Associates

[7] Netherlands Society for Automation (->"IEEE Standard Dictionary")

[8] Naval Support Activity (->"NASA Acronym List")

[9] Noosa, Australia - internationale Fughafen-Kennung