The Department of Homeland Security, specifically the U.S. Coast Guard, is seeking quotations for the purchase of spare parts for the AE2100D3 engine, with a focus on components manufactured by Rolls Royce Corporation. The procurement includes a Flange Adapter, Lock, and Cone, each with designated part numbers and National Stock Numbers, to be delivered to the Aviation Logistics Center. These parts are critical for maintaining the operational readiness of the HC-130J aircraft fleet, underscoring their importance for national security operations. Interested vendors must submit their quotations by December 16, 2024, with the anticipated award date around December 27, 2024; inquiries can be directed to Zachary R. Harris at Zachary.R.Harris2@uscg.mil.