The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of four units of the PROBE, HEATER (NSN 4920006221407). This solicitation is a Total Small Business Set-Aside, aimed at sourcing essential components for maintenance and repair shop equipment, specifically within the aircraft parts and auxiliary equipment manufacturing sector. The selected vendor will be responsible for delivering the specified items to DLA Distribution within 171 days after order, with all responsible sources encouraged to submit their quotes electronically. Interested parties should direct any inquiries to the buyer via email at DibbsBSM@dla.mil, as hard copies of the solicitation will not be provided.