Precision Metal Casting and Machining of Wearing Ring

The contract entails the manufacture of 13,000 wearing ring units using metal casting followed by precision final machining to meet the stringent military specification CS4320-0192 Rev B, with strict requirements for dimensional accuracy and surface finish critical to operational performance. All units must be produced to ensure consistency and reliability in high-stress applications, adhering to established quality standards without deviation. The solicitation is issued as a subcontract under the NAICS code 332813, with a response deadline of August 17, 2026, and a posting date of August 5, 2026. Performance is designated to occur in Tracy, California, with a zip code of 95304-5000. The contracting entity is the Department of Defense through the MARITIME SUPPLY CHAIN organization, and the agreement is accessible via the DIBBS platform for interested parties to review full terms and submit proposals.