This is a sole-source Navy repair requirement for SLING HOOK, UNDERSLU items, with performance at Sikorsky Aircraft Corporation, 6900 Main St, Stratford, CT. Only approved sources are eligible; non-approved sources must submit complete source approval data with their proposal, as the government lacks sufficient data to contract with other sources. The contractor must provide all facilities, labor, materials, parts, and test equipment to return units to Ready-for-Issue condition through disassembly, repair/replacement, reassembly, and testing per approved manuals. The contractor must also maintain an ISO 9001/AS9100 quality program and an approved calibration system, while complying with configuration management, marking, storage, and packaging requirements.