This is a sole source requirement for a five-year, firm-fixed price contract to supply C-5 electrical solenoid spares, with one basic period and four ordering periods. The total quantities for the first part number (5945-01-554-2612) are 34 units in the basic period and 10-11 units in each subsequent ordering period. For the second part number (5945-01-552-3875), the quantities are 9 units in the basic period and 10 units in each ordering period. No budget or location for performance is specified in this description.