Procurement of NSN 7R-6110-014522467-KB, quantity 17 units, with delivery FOB origin. The item is flight critical and requires Government source approval; only previously approved sources have been solicited. Any non-approved source must submit a Source Approval Request per the NAVSUP WSS brochure, but approval typically cannot be processed in time for award. The Government intends to solicit and negotiate with only one source under FAR 6.302-1, and this notice is not a request for competitive proposals. Interested parties may submit capability statements, but the Government retains discretion on whether to compete.