The Department of Defense, specifically the Army's ACC-RSA office, is seeking small businesses capable of supplying a one-time purchase of Interface Units, Data, under the sources sought notice W31P4Q-26-Q-0004. The procurement involves a firm fixed price contract for 140 units of the Interface Unit, Data (NSN: 7025-01-652-2856), which is essential for supporting the Calibration Weapon System. Interested vendors must confirm their small business status under NAICS code 334111 and provide a capability statement, evidence of authorization as a distributor or manufacturer, and delivery estimates by the response deadline of 4 PM CST on December 29, 2025. For further inquiries, interested parties should contact Lindsay Jennings at lindsay.d.jennings.civ@army.mil.