This requirement is for an accessory gearbox, NSN 2840015493031NZ, with part numbers 4087025-801 and 2840PL1190365; it mounts beneath the interface case and provides mounting pads for components such as the MFP, engine generator, PTO, and MOP. Scheduled deliveries are 3 EA on or before 27 Dec 2027, 1 EA on or before 27 Jan 2028, and 1 EA on or before 27 Feb 2028, all to Tinker AFB, OK. The contract period duration is listed as 27 Dec 2027. Electronic procedures will be used, and responsible sources may submit capability statements, proposals, or quotations for consideration. This item has not been previously procured.