Sources Sought Notice: The Department of Defense, specifically the Department of the Navy, through the NAVSUP Weapon Systems Support office, is seeking eligible contractors to manufacture 20 Diplexers. A Diplexer is an aerospace craft component used to combine or separate different frequency bands within a single device. The Government does not possess the necessary data to manufacture the item and intends to solicit and negotiate with only one source or a limited number of responsible sources. All responsible sources may express their interest and provide capability statements in response to this notice. The Government will consider all proposals received within 15 days after the publication of this notice. Only approved sources will be solicited, and source approval may be required.