SLAC National Accelerator Laboratory seeks a fixed-price quote for one FDG 150 floating ion source package meeting detailed technical specifications, including noble gas ion beam performance, electrostatic lens requirements, remote TCP/IP and EPICS control, and UHV compatibility with differential pumping. Award will be based on lowest priced technically acceptable offer and best lead time; no on-site services are permitted, and the product will be delivered to SLAC in Menlo Park, CA. Offerors must comply with the Buy American Act certification for unit prices over $15,000, complete representations and certifications, register in SAM, and provide HTS and ECCN codes if applicable. The resulting order will use SLAC's fixed price terms and conditions, with NET-30 payment and FOB Destination Prepaid for domestic suppliers. Quotations must include proposed pricing and lead time.