NASA/NSSC intends to award a sole source contract to FLYHT INC. for an FTG Water Vapor Sensor System, as they are determined to be the sole provider. Performance of the services will be located at NASA’s Glenn Research Center (GRC). Interested organizations may submit their capabilities and qualifications in writing by 3:00 p.m. Central Standard Time on 5/19/2026 for consideration of a competitive procurement. No specific budget amount is mentioned in the description. This is a commercial item acquisition under FAR Part 12, with the NAICS code 541511.