The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is soliciting proposals for Type 3R tiles, identified by NSN 1H-5840-014645007. This procurement requires engineering source approval to ensure the quality of the part, necessitating that any alternate sources qualify according to the design control activity's procedures. These tiles are critical components in radar equipment, which plays a vital role in navigation and detection systems. Interested parties should contact Jordan Burt at 717-605-1318 or via email at jordan.burt@navy.mil for further details, with proposals due within 45 days of the notice publication.