This is a non-competitive, sole-source opportunity for 4 units of NSN 7R-1680-015842944-ZR, a flight-critical commercial item, with delivery FOB Origin. The government intends to negotiate with only one previously approved source, but will consider quotes from other interested parties before award. New sources must submit detailed technical data and a source approval request via the NAVSUP WSS brochure, as approval cannot delay the award. No specific budget amount or performance location is mentioned in the description. The timeline for submission is not specified, but quotes received prior to the award date will be considered.