This is a total small business set-aside for a **Complete stem and disk assembly** designated as SPECIAL EMPHASIS (Level I/SUBSAFE) material for a crucial shipboard system. The contractor must provide a quality system per ISO-9001 with specific calibration requirements, and only sources with an acceptable Quality Control Manual are eligible for award. Final delivery of material is required **365 days after the effective date of the contract**, with certification data due 20 days prior to scheduled delivery. Performance of services will be at the contractor's facility, with Government quality assurance at source, and the place of performance cannot be changed without authorization. The contract will be a DO-rated order certified for national defense use under the Defense Priorities and Allocations System.