This procurement is for NSN 7R-1660-016686579-P8, quantity 20 units, with delivery FOB origin. The item is flight critical and requires Government engineering source approval; only previously approved sources have been solicited, and new source approval cannot be processed in time for award. If you are not an approved source, you must submit the source approval information detailed in the NAVSUP WSS Source Approval Brochure with your offer. The Government intends to negotiate with only one source under FAR 6.302-1, but all responsible sources may submit capability statements for consideration. Award will be made only if the offeror and product meet the qualification requirements at the time of award.