NAVSUP Weapon Systems Support (NAVSUP WSS) Philadelphia intends to issue a sole-source solicitation to UNDERSEA SENSOR SYSTEMS INC. for the repair of SDSR, AIRCRAFT EQUIP (NIIN: 015728130, Part Number: 6120-0500-001) for H-60 aircraft. This decision is based on the vendor being the Original Equipment Manufacturer (OEM) and the sole known source, with no available drawings or data, and the government not owning the necessary data rights. The contract duration is one year, with UID and Buy American Clauses applicable. The solicitation will adhere to FAR Part 15 and is not a Total Small Business Set-Aside. Interested parties may submit capability statements within 15 days for commercial items, or proposals within 45 days for consideration, though the procurement will not be delayed for Source Approval Requests (SAR). The approximate solicitation issue date is December 30, 2025, with a closing date of January 29, 2026, and an anticipated award date of March 2026. Electronic procedures will be used, and interested organizations can submit qualifications via email.