The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is soliciting proposals for the procurement of heat exchangers. These components are critical for aircraft air conditioning, heating, and pressurizing systems, ensuring optimal performance and safety in military aviation. The opportunity falls under the NAICS code 336413, which pertains to Other Aircraft Parts and Auxiliary Equipment Manufacturing, and is classified under the PSC code 1660. Interested vendors can reach out to Sarah R. Haley at 717-605-3550 or via email at SARAH.R.HALEY2.CIV@US.NAVY.MIL for further details regarding the solicitation process.