FNASC Full Form. Full Meaning of FNASC Find long form and abbreviation, slang or definition of FNASC. What does FNASC mean? What does FNASC stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.