The Department of Defense, through the Naval Research Laboratory, intends to award a sole source purchase order for a specialized gas analyzer, specifically the Microvision 2 Quadruple Residual Gas Analyzer, to MKS Instruments, Inc. This procurement is essential for conducting experiments related to a DARPA program, requiring unique 100mm diameter semi-insulating 4H Silicon Carbide wafers with CMP polish, which are currently not in production due to industry standards shifting to larger wafers. The purchase will utilize Simplified Acquisition Procedures under FAR Part 13.106-1(b), with a total value not exceeding $250,000. Interested parties may express their capabilities to respond to this requirement by contacting Teigh Cheyney at tahesha.cheyney@nrl.navy.mil or by phone at 202-875-0000, referencing notice of intent number N0017325-1301180851.