Farm Service Agency 
Financial Services Authority 
Food Standards Agency 
Flexible Spending Account 
Federal Student Aid 
Financial Services Act 
Functional Solution Analysis 
Federal Security Agency 
Fire Support Area 
Forward Spread Agreement 
Farm Service Agency's 
Flexible Spending Accounts 
Functional Solutions Analysis 
Family Separation Allowance 
Farm Services Agency 
Fellow of the Society of Antiquaries 
Field Service Action 
FINITE STATE AUTOMATION 
Flow Scintillation Analyzers 
Flow Survey Apparatus 
Food Security Act 
Force Structure Allowance 
Forward Support Area 
Frame Store Area 
FREEDOM Support Act 
Fuel Storage Area 
Fabless Semiconductor Association 
Facilities Support Account 
Faculty Student Association 
familial sideroblastic anemia