This is a Sources Sought Notice to identify businesses capable of supplying Manifold, Oil Filter – Nose Gearbox spares for the AH-64 Apache. The estimated quantity ranges from 7 to 35 units, with a delivery schedule of 1 unit per month unless all assets can be delivered at once. The anticipated contract is a Firm Fixed Price Indefinite Delivery Indefinite Quantity (IDIQ) with a 60-month period of performance and five-priced ordering periods. The delivery location is to be determined. No budget amount is specified.