The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure five units of an Ethernet switch, identified by NSN 7H-1660-016010729, for repair or modification. This procurement is a total small business set-aside, indicating a preference for small business participation, and is governed by FAR 19.5. The Ethernet switch is crucial for aircraft air conditioning, heating, and pressurizing equipment, underscoring its importance in maintaining operational readiness. Interested parties must submit their capabilities and interest to the primary contact, Jordan Burt, via email at jordan.d.burt.civ@us.navy.mil, within 15 days of this notice, as the government intends to negotiate with only one source under FAR 6.302-1.