- <>15 - Single Family Serial Note 
- <>PL - Project Loan; Multifamily 
- <>07 - Full Scale Development 
- <>CL - Construction Loan; Multifamily 
- <>25 - Single 
- <>13 - Multifamily Construction 
- <>14 - Multifamily Project 
- <>MH - Manufactured Housing 
- <>SF - Single Family Level Payment Mortgage 
- <>22 - Deployment 
- <>GT - Graduated Payment Mortgage--Monthly Payments Increase Annually for no more than the first 10 years of the Mortgage 
- <>AR - Adjustable Rate Mortgages 
- <>SP - Straight Pass-Through 
- <>GD - Growing Equity Mortgage--Monthly Payments Increase Annually at any Rate over the life of the Loan 
- <>GA - Growing Equity Mortgage--Monthly Payments Increase 4% Annually Over the Life of the Loan 
- <>PN - Project Loan with Non-Level Payments 
- <>01 - Research, Development, Test & Evaluation (RDT&E) 
- <>23 - Low Rate Initial Production 
- <>04 - Other 
- <>GP - Graduated Payment Mortgage--Monthly Payments Increase Annually for no more than the first 5 years of the Mortgage 
- <>20 - Concept Exploration 
- <>02 - Production 
- <>SN - Serial Notes 
- <>05 - Procurement 
- <>08 - Engineering and Manufacturing Development (EMD) 
- <>11 - Single Family 
- <>CS - Construction Loan with Split Interest Rate 
- <>AQ - Adjustable Rate Mortgage with Off-Cycle Interest Charges 
- <>AZ - Custom Adjustable Rate Mortgage 
- <>03 - Both RDT&E and Production 
- <>21 - Demonstration Validation 
- <>24 - Multiple 
- <>06 - Advanced Design 
- <>BD - Buydowns