The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking suppliers for the procurement of heat exchangers for aircraft air conditioning, heating, and pressurizing equipment. This presolicitation opportunity focuses on acquiring essential components that play a critical role in maintaining optimal environmental conditions within military aircraft. Interested vendors can reach out to Helen I. Carmelo at (215) 697-1138 or via email at HELEN.I.CARMELO.CIV@US.NAVY.MIL for further details regarding the procurement process. Additional information regarding deadlines and funding amounts will be provided in subsequent announcements.