# Replacement Cesium Source Head for a Secondary Ion Mass Spectrometry Instrument Canonical: https://abierto.us/opportunities/nb573063270001 - Solicitation number: NB573063-27-0001 - Notice type: Presolicitation - Status: Open. Offers due November 7, 2026 at 1:00 PM EST - Department: Department of Commerce - Agency: National Institute of Standards and Technology - Contracting office: Department of Commerce NIST (1333ND) - Product or service code: 6640 Laboratory Equipment and Supplies - Who can bid, by location: Anywhere in the US. Location does not limit who can bid: a product shipped to the buyer, research at the performer's facility, or work at the contractor's site. A state shown is the delivery point. - First posted: October 28, 2026 - Last posted: October 28, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/724c1ac99dff402fb038309363fc26f3/view ## Description FBO ANNOUNCEMENT: PRESOLICITATION NOTICE, NOTICE OF INTENT ACTION CODE: Presolicitation Notice SUBJECT: Sole source – Replacement Cesium Source Head for a Secondary Ion Mass Spectrometry Instrument RESPONSE DATE: 11/07/26 DESCRIPTION: The National Institute of Standards and Technology (NIST) relies on a time-of-flight secondary ion mass spectrometry (ToF-SIMS) instrument. Currently, the Cesium Source Head is non-functional and requires urgent replacement to restore operation. The National Institute of Standards and Technology (NIST) intends to negotiate on a sole source basis, under the authority of FAR Part 12.102(b) with ION-TOF USA, Inc located in Chestnut Ridge, New York, for this replacement equipment. Sole Source justification is based on the following: Market research has shown that ION-TOF is the sole source for replacement equipment for this NIST owned Secondary Ion Mass Spectrometry Instrument instrument. ION-TOF has stated in writing stated that: “ION-TOF USA, Inc. is the only company authorized and capable of offering service and spare parts for the IONTOF range of surface analysis equipment including the TOF-SIMS IV instruments.” NAICS code for this requirement will be 334516– Analytical Laboratory Instrument Manufacturing with a small business size of 1000 employees. No solicitation package will be issued. This notice of intent is not a request for competitive quotations; however, interested parties who regard themselves as capable of fulfilling these requirements are invited to submit responses to the Government for consideration. Responses received by 1:00AM EST on 11/07/26 will be considered by the Government. A determination by the Government not to compete the proposed acquisition based upon responses to this notice is solely within the discretion of the Government. Information received will normally be considered solely for the purpose of determining whether to conduct a competitive procurement. Inquiry POCs Erik.Fycklund@nist.gov Primary Donald.Graham@nist.gov Secondary National Institutes of Standards and Technologies NIST Acquisition Management Division (AMD) 100 Bureau Dr. Mail Stop 1640 Gaithersburg, MD. 20899-1640 ## Publications - October 28, 2026: Presolicitation, due November 7, 2026 at 1:00 PM EST. Notice 724c1ac99dff402fb038309363fc26f3. https://sam.gov/workspace/contract/opp/724c1ac99dff402fb038309363fc26f3/view ## Points of contact - Erik Frycklund, erik.frycklund@nist.gov --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/nb573063270001.