This opportunity is for a fixed-price contract to supply a Complete Stem and Disk Assembly for a crucial shipboard system, designated as SPECIAL EMPHASIS (Level I) material. The contractor must provide and maintain a quality system in accordance with ISO-9001, with specific calibration system requirements, and comply with extensive testing, certification, and configuration control requirements. The place of performance is subject to Government Quality Assurance at source and cannot be changed without authorization. The material is covered by a DPAS priority rating for national defense use, and a one-year warranty from the date of delivery is required.