This requirement is for 18 units (NSN 7R-6610-014956002-V2) with delivery FOB origin. The part is flight-critical and requires Government source approval, with only previously approved sources solicited. New sources must submit the detailed source approval information specified in the NAVSUP WSS brochures; offers lacking this data will not be considered. The Government intends to solicit and negotiate with only one source under FAR 6.302-1, though all responsible sources may express interest. No budget amount or performance location is specified.