The government intends to solicit and negotiate a sole-source contract for a regulating valve (NSN 7R-4820-014917835-EK, part number 5369-00-1) in a quantity of 16 units, with delivery on an FOB origin basis. This is a notice of intent, not a request for competitive proposals, and the authority cited is FAR 6.302-1. Responsible sources may identify their interest and capability, and the government will consider any proposals received, but it retains discretion to proceed without competition. The intended sole source is the original equipment manufacturer or a non-prime source. No budget amount or performance location has been specified.