Sources Sought DEPT OF DEFENSE DEPT OF THE NAVY is seeking 5 Inch Brass Cartridge Cases for the United States Navy MK 45 Gun Weapon System. The cases must be cold drawn brass and compatible with the current 5 inch Propelling Charge. The contractor must have an established manufacturing line and be able to deliver 30,000 units in the first year. Interested sources should provide their company's capabilities, delivery timeframe, and contact information to NSWC IHD by August 5, 2024.