Precision Manufacturing of Gland Assembly for Submarine Water Pump

The contract specifies the precision manufacturing and supply of a secondary gland assembly identified by NSN 4320010957746 and part number 11249-D-18, designed exclusively for the Model 16X17B Mean C water pump installed aboard Trident-class submarines. This component must comply with stringent military specifications to ensure reliable sealing and extraordinary durability under extreme operational conditions typical of submerged naval environments. The product is critical to the water pump’s functionality, directly impacting system integrity and mission readiness in submerged operations where failure is not an option. The solicitation, issued under the Maritime Supply Chain division of the Department of Defense, is structured as a subcontract with a posting date of July 12, 2026, and a response deadline of July 23, 2026. The North American Industry Classification System code 332999 indicates it falls under other fabricated metal product manufacturing. The place of performance is established in Tracy, California, with a zip code of 95304-5000, indicating that manufacturing and delivery must be coordinated to this location. The contract falls under a broader defense supply chain initiative, though no set-aside designation or specific point of contact is provided, and the procurement is accessible through the DIBBS platform for qualified subcontractors seeking to fulfill this high-stakes military requirement.