Presolicitation notice from the Department of Defense, Department of the Navy, and NAVSUP Weapon Systems Support is seeking a control panel for repair/modification. The control panel, NSN 7R-5895-016040257-BE, is flight critical and requires Government source approval. Only previously approved sources have been solicited. Interested parties must submit the necessary information for source approval. The control panel is used for [insert purpose]. The solicitation is for a quantity of 20 units, with delivery FOB origin.