The Department of Defense, through the Naval Supply Systems Command (NAVSUP) Weapon Systems Support, is seeking to procure a fiber optic switch under the solicitation titled "TAMMAC N00383-25-Q-R399." The requirement involves a sole source procurement for one unit of the fiber optic switch, part number 3081000-201, identified by NIIN 015160771, which is critical for military applications. This procurement is intended to be negotiated with only one source, and interested parties have 45 days to express their interest or submit proposals, although the government reserves the right to proceed with a sole source award based on the responses received. For further inquiries, interested vendors can contact Eric M. Tarkett at (215) 697-4313 or via email at ERIC.M.TARKETT.CIV@US.NAVY.MIL.