This is a sources sought notice for market research only, not a solicitation, for a firm-fixed price supply purchase of a patient immobilization device for radiation stereotactic body radiation therapy at VA Puget Sound Healthcare. The device must be low-density, radiolucent carbon fiber with an adjustable, modular design compatible with Varian TrueBeam and GE Discovery CT scanners, and accommodate various patient positioning accessories. The intended NAICS code is 339112 with a 1000-employee small business size standard, and SDVOSB, VOSB, small business manufacturers, and other qualified sources are encouraged to respond. Interested parties must provide company and SAM registration information, VetCert registration if applicable, proof of authorized distributor status, descriptive literature, warranty details, Buy American compliance, and a courtesy quote. The government will use responses to determine a potential set-aside, but no contract will be awarded based on this notice.