The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for an indefinite quantity contract (IQC) for the supply of input shafts for gearboxes, specifically NSN 1560-000342468. This procurement is set aside exclusively for small businesses and aims to secure a critical safety item with an estimated annual quantity of 159 units, requiring a minimum delivery order of 65 units and a maximum of 159 units per order. The contract will span a base period of five years, with a total delivery timeline of 635 days, including government first article testing and production unit delivery. Interested vendors should submit written offers and can access the solicitation on the DLA Internet Bid Board System (DIBBS) around November 20, 2025; for inquiries, contact Thuy Ho at Thuy.Ho@dla.mil.