This is a Sources Sought Notice to identify businesses capable of supplying Tank, Fuel, Aircraft components for the AH-64 Apache. The estimated quantity ranges from 87 to 435 units, with a delivery schedule of 10 units in the first month and 7 units per month thereafter. The anticipated contract is a single-award, firm-fixed price, five-year Indefinite Delivery Indefinite Quantity (IDIQ) spares contract with a 60-month period of performance. The delivery location is to be determined (TBD). No budget amount is specified.