The meaning of the Acronym NASS is...

NASS is

• National Association of Street Schools

More Meanings For NASS:

• Network Attachment Sub-System
• National Agricultural Statistics Service
• National Air and Surface System
• North American Spitfire Squadron
• A National Average Survey Service
• National Adventure Sports Show
• National Asylum Support Service
• National Automotive Sampling System
• Native American Student Services
• North Atlantic Sightings Surveys
• National Asylum Support Services
• National Ankylosing Spondylitis Society
• National Agriculture Statistics Service
• National Agricultural Statistics Survey
• National Asylum Seekers Service

NASS is also in:

• FDA
• Meteorology
• Networking
• Police
• Unfiled
• USPS
• Veterinary