The Department of Defense, specifically the Department of the Navy, is soliciting proposals for the procurement of the AN/BRR-6 Proximity Sensor Seated Switch Unit, which is critical for use on Navy submarines. This contract requires manufacturers to adhere to stringent quality and inspection standards, including First Article Testing and compliance with various military specifications and standards. The successful contractor will be responsible for ensuring that all supplied units are free from mercury contamination and meet the detailed design and manufacturing requirements outlined in the solicitation. Interested parties should contact Elizabeth Clammer at 717-605-3353 or via email at ELIZABETH.M.CLAMMER.CIV@US.NAVY.MIL for further details, with proposals expected to be submitted within the specified timeframe.