SLAC National Accelerator Laboratory, operated by Stanford University for the Department of Energy, is seeking a fixed-price quotation for specific laboratory equipment, including a DCS 500 domed cooling stage and related items. The contract is not a federal procurement but is subject to certain federal laws, and source selection will be based on the Lowest Price and Technically Acceptable (LPTA) method. Technical requirements include accessible low temperature (-180°C), high temperature (500°C), compatibility with a 4/6 circle diffractometer goniometer and XYZ stages, a theta angle of 0-90 degrees, and up to 25mm sample size. The performance location is not specified, and no budget amount is provided. Quotations must be submitted by COB 4/30/2026, with delivery to Menlo Park, CA, and must include lead-time, pricing, and compliance with the Buy American Act for items over $15,000.