This opportunity is for a Stem Assembly for a 6-inch Ball Valve, designated as SPECIAL EMPHASIS material for a crucial shipboard system, with performance location not specified. The contract is a total small business set-aside under Emergency Acquisition Flexibilities, requiring a bilateral award and a DO-rated national defense priority. Key requirements include a quality system per ISO-9001, strict material traceability and certification for QQ-N-286 nickel alloy, and no weld repair allowed on that material. The contractor must submit a certificate of compliance, maintain configuration control, and allow Government quality assurance at source, with all waivers requiring Contracting Officer approval. No budget amount or submission timeline is provided.