This opportunity is for the supply of 11 units of a specific part (NSN 7H-4820-015672305), with delivery required FOB origin. The sole approved source is Sargent Aerospace, as the government lacks the data or rights to purchase or repair this part from other sources. The government intends to solicit and negotiate with only this source under FAR 6.302-1, but all responsible parties may submit capability statements or proposals. Proposals will be considered if received within 45 days of this notice’s publication. No budget amount or performance location is specified.