PARTS KIT,BALL VALV

The U.S. Navy is seeking a parts kit for a size 3 inch combination hull and backup ball valve. The kit consists of one ball and two matching seats. The ball must be made of SAE-AMS-6931 or centrifugally cast 6AL-4V, ASTM-B367, Grade C-5. The seats must be made of MD71-GG Mearthane (Graphite Filled Urethane) manufactured by Mearthane Products Inc. The contractor must provide a certificate of compliance and test certifications for the parts. The contract requires the contractor to maintain a quality system in accordance with ISO-9001 and to provide traceability and certification data for the materials. * Key requirements include: * Quantitative chemical and mechanical analysis of the materials * Testing and certification of the parts * Maintenance of a quality system * Provision of traceability and certification data * Compliance with various military and industry standards