28-28 Additional Center Tank Transfer System (if ACTs installed)
- 28-28-01 ACT Auto Transfer System
- 28-28-02 ACT Transfer Valve
- 28-28-03 ACT Transfer Pump
- 28-28-04 ACT Air Shutoff Valve
- 28-28-05 ACT Inward Pressure Relief Valve
- 28-28-06 ACT Vent Valve
- 28-28-07 ACT Refuel Valve
- 28-28-08 ACT Integrated Impact Wall
- 28-28-09 ACT 1 Inlet Valve
- 28-28-10 ACT 2 Inlet Valve (If Installed)