NIH’s Office of the Director, Office of Acquisitions, plans to award a firm-fixed-price purchase order for commercial products or services under a competitive, full-and-open combined synopsis/solicitation, selecting the responsible offeror whose proposal offers the best value to the Government. The acquisition is not expected to exceed the simplified acquisition threshold and will be conducted under FAR 12.603. The applicable NAICS code is 334516 (Analytical Laboratory Instrument Manufacturing), with a small business size standard of 1,000 employees, and the requirement is unrestricted. The solicitation document and incorporated provisions and clauses are those in effect through Federal Acquisition Circular 2026-01, effective March 13, 2026. No separate written solicitation will be issued.