This is a 5-year IDIQ contract for the repair and refurbishment of an estimated 50 Phase Shifter Driver Units (PSDUs) for the AN/APG-68 radar on F-16 aircraft. Potential bidders must demonstrate expertise in areas like signal conditioning and high-current op amps to qualify. All work must comply with a Performance Based Work Specification and OEM drawings, with repaired items required to pass specific Acceptance Test Procedures. The PSDUs are military-unique components, not commercial parts.