The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking a contractor for the repair of the Sonar Interface Unit, identified by PR: N00383-25-Q-R415 and NIIN: 015064278. This procurement involves the repair of specific part numbers (P/N: 8050500-4, 8050500-1) within the category of underwater sound equipment, which is critical for naval operations and sonar functionality. The contract is set aside for 8(a) sole source under FAR 19.8, indicating a focus on supporting small businesses in this sector. Interested parties should contact Michael J. Keith at (215) 697-2193 or via email at MICHAEL.J.KEITH40.CIV@US.NAVY.MIL for further details regarding the procurement process.