The Department of Defense, specifically the Department of the Navy, is soliciting quotes for the procurement of four AFT Mating Rings, classified under NSN: 5330 014257865. This contract requires the manufacturing of these components in accordance with specified design and quality standards, including government-source inspection and acceptance. The AFT Mating Rings are critical components intended for use in submarines and surface ships, emphasizing the importance of quality and compliance with stringent material specifications, including the prohibition of mercury contamination. Interested vendors must submit their quotes by May 2, 2025, and direct inquiries to Vincent Molesky at VINCENT.E.MOLESKY.CIV@US.NAVY.MIL or by phone at 717-605-3353.