This is a Navy procurement for a critical shipboard material designated as SUBSAFE/Non-Level I, requiring strict quality assurance, traceability, and government source inspection. The contractor must maintain an ISO-9001 quality system with approved calibration standards and comply with detailed welding, NDT, and serialization requirements. Final delivery of material is required on or before 365 days after the contract effective date, with certification data due 20 days prior to scheduled delivery and weld procedures/qualification data due 120 days prior. The order will be a DO-rated order certified for national defense use under DPAS and is issued under Emergency Acquisition Flexibilities.