The Department of Commerce, specifically the National Oceanic and Atmospheric Administration (NOAA), is seeking evaluation and repair services for five units of the Gearbox Planetary Differential Speed Reducer, PN: 146-5003-3, Winsmith Model #D651229-8X0WS. The objective is to restore these units to like-new operating condition and appearance, adhering to the original manufacturer's specifications, with the possibility of returning any units that do not meet these standards for rework at no additional cost to the government. This equipment is crucial for NOAA's operations, and the procurement will be conducted under the authority of 13.106-1(b), soliciting from a single source, with Peerless-Winsmith, Inc. identified as the only known source. Interested firms must respond within five calendar days of this notice, providing their capabilities and relevant contact information to William Roberts at NOAA, with submissions directed to nws.nrc.contracts@noaa.gov or mailed to the National Reconditioning Center in Grandview, Missouri. All contractors must be registered in the System for Award Management (SAM) to be eligible for the award.