This is a Sources Sought Notice for a Vehicle Mounting Drum Winch, identified by a specific NSN and part number, with a base and option quantity of one unit each for use on a tracked tractor. The notice explicitly states it is not an open solicitation but a step to identify potential suppliers for a future Source Approval Program. Qualification testing and evaluation are mandatory to become an approved source, which only provides the opportunity to compete on future solicitations. There is no specified budget, timeline for performance, or location for services mentioned in this description. Interested parties must submit a Source Approval Request package, with further program details available through the provided TACOM links.