This is a sources sought notice for market research, not a solicitation, from the National Institute of Standards and Technology (NIST) for two 2.3K Mechanical Cryocooler Systems. The government is seeking information from vendors to determine if a small business set-aside is possible, with responses accepted from all responsible sources. The applicable NAICS code is 334516, with a small business size standard of 1,000 employees. No budget amount or performance location is specified in the description. Interested parties must submit a capability statement by the deadline listed in the notice.