The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure 11 units of a generator engine AC, identified by NSN 7R-2925-015415012-KB. This procurement is limited to sources specified on a source control or selected item drawing, as the necessary technical data or manufacturing knowledge is not available for alternative sourcing or qualification testing. The generator is critical for aircraft electrical systems, and the government intends to solicit and negotiate with only one source under FAR 6.302-1, with proposals due within 45 days of this notice. Interested parties should contact Joshua J. Seltzer at (215) 697-2849 or via email at joshua.j.seltzer@navy.mil for further information.