The United States Navy is soliciting quotes for the procurement of a 2-inch combination hull and backup ball valve. The valve must be in accordance with Naval Sea Systems Command drawing 6408529 assembly 97, Naval Ship Systems Command drawings 4385050, 4384678, and all liabilities provided with this Contract/Purchase Order. The material covered in this contract/purchase order will be used in a crucial shipboard system, and the use of incorrect or defective material would create a high probability of failure resulting in serious personnel injury, loss of life, loss of vital shipboard systems, or loss of the ship itself.
Key requirements include:
* Dimension for Find Number 14 on NAVSEA drawing 6408529 Sheet 10 from Datum B to the end of the 1.0 inch radius is 1.688 inches.
* The thermocouple hole depicted on page 12 of NAVSEA drawing 6408529, Find Number 5, is not required.
* Material for parts requiring certification, such as the body, stems, continuous threaded stud, self-locking heavy hex nut, and insert.
* Testing certification, including liquid penetrant inspection, dye penetrant inspection, ultrasonic testing, weldability test, and production test.
* Radiography is required on the body and tailpiece.
* A visual inspection shall be performed on the finished seat with acceptance criteria on critical surfaces.
* Thread inspection requirements, including the use of system 21 of FED-STD-H28/20.
* Confidential hydrostatic test pressures and pressure tolerance.
* Lubrication requirements, including the use of grease per CID A-A-50433.
* Slow strain rate tensile test laboratories and requirements.
* Configuration control and change authority for all modifications or changes affecting form, fit, function, or interface parameters of the equipment and its sub-assemblies.