This is a U.S. Navy procurement for a "STEM, NEEDLE VALVE" (Part Number 5) to be manufactured in accordance with NAVSEA drawing 556-7015840, with material requiring certification to ASTM-B150, Alloy C63200. The final delivery of material is required on or before 365 days after the effective date of the resulting contract. The work involves stringent quality assurance requirements for SPECIAL EMPHASIS material, including specific welding, inspection, traceability, and certification protocols. The order is a "DO" rated priority under the Defense Priorities and Allocations System (DPAS) and is issued pursuant to Emergency Acquisition Flexibilities.