This notice is for NSN 7R-6605-015329825-KB, quantity 7 each, with delivery FOB origin. The part requires engineering source approval and will only be acquired from approved sources retaining essential technical data. Alternate sources must qualify under Government-approved procedures. The Government intends to solicit with only one source under FAR 6.302-1, but all responsible sources may submit capability statements. This is not a request for competitive proposals, and award will only be made to offerors meeting qualification requirements at the time of award.