The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of five units of Receiver, Countermeasure (NIIN: 017059130, PN: 131K832G05). The solicitation requires that all proposals be submitted via email to the primary contact, Sarah Crompton, by the specified due date, and emphasizes that government source approval is necessary prior to award. These receivers are critical for electronic countermeasures, which play a vital role in enhancing naval operational capabilities. Interested vendors must ensure compliance with the NAVSUP WSS Source Approval Brochure and submit all required documentation to be considered for the award, as incomplete submissions will not be evaluated. For further inquiries, interested parties can contact Sarah Crompton at 215-697-5809 or via email at SARAH.CROMPTON@NAVY.MIL.