This opportunity covers 4 EA of NSN 7R-5998-016656128-H5, with delivery on a FOB origin basis. The item requires Government engineering source approval, and only previously approved sources are being solicited; new sources must submit qualification data per the NAVSUP WSS Source Approval Brochure, and award cannot be delayed for approval. The Government intends to negotiate with only one source under FAR 6.302-1, though all responsible sources may express interest and capability. No performance location or budget amount is specified.