The National Institute of Standards and Technology (NIST) is conducting market research to identify vendors capable of supplying a 0.5mm Calibration Kit, as detailed in the attached specifications. This is a sources sought notice, not a request for quotation, and no solicitation is currently available. The government will not pay for any information submitted, and responses are limited to five pages. The results will help determine if a small business set-aside is possible, with a NAICS code of 334515 and a size standard of 750 employees. No budget, submission timelines, or performance location are specified.