The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Huntsville, AL, is soliciting proposals for a five-year indefinite delivery contract for a parts kit specifically designed for fuel tanks, intended to support the Chinook weapon system. This procurement is restricted to a sole source, Robertson Fuel Systems, LLC, due to the unique requirements associated with the parts kit (NSN: 1560-01-577-6981), which will involve various production quantities over the contract period, with initial deliveries expected within 408 days post-award. Compliance with military packaging and marking standards (MIL-STD-129) is mandatory, and contractors must submit a first article test and report within a specified timeframe, with inspections and acceptance occurring at the origin. Interested parties can contact Erica Allen at ERICA.ALLEN@DLA.MIL or by phone at 256-690-5712 for further details regarding this opportunity.