This is a sources sought notice seeking potential sources capable of providing an adjustable calibration sine bar, specifically a Brunson Instrument Company model or technically equivalent. The equipment is needed to support the 379 ECONS specialized calibration laboratories at Al Udeid Airbase (AUAB), Qatar. The sine bar will be used for checking, calibration, and adjustment of devices that measure small angles to meet operational thresholds. No budget amounts or performance timelines are specified in the notice.