NASA/NSSC has a requirement for HiCube 300 PRo/ACP 15Turbo pumping station, Model # DN 100 CF-F,QTY 1.NASA/NSSC intends to issue a sole source contract to PFEIFFER VACUUM, INC., 24 Trafalgar SQ, Nashua,New Hampshire 03063-1988 under the authority of FAR 13.106-1(b)(1)(i). It has been determined thatPFEIFFER VACUUM, INC.is the sole provider of HiCube 300 PRo/ACP 15Turbo pumping station, Model #DN 100 CF-F, QTY 1.NASA/NSSC will be the procuring center for this effort. Performance will be located at NASA/ Goddard SpaceFlight Center (GSFC).The Government intends to acquire commercial items and services using the provisions, clauses and proceduresprescribed in FAR Part 12 and FAR Part 13.The NAICS Code for this procurement is 334519.Interested organizations may submit their capabilities and qualifications to perform the effort in writing to theidentified point of contact not later than 4:00 p.m. Central Standard Time on 6/29/2023. Suchcapabilities/qualifications will be evaluated solely for the purpose of determining whether or not to conduct thisprocurement on a competitive basis. A determination by the Government not to compete this proposed effort ona full and open competition basis, based upon responses to this notice, is solely within the discretion of thegovernment.Oral communications are not acceptable in response to this notice.NASA Clause 1852.215-84, Ombudsman, is applicable. The Center Ombudsman for this acquisition can befound at http://prod.nais.nasa.gov/pub/pub_library/Omb.html