This opportunity is for a Firm-Fixed Price Indefinite Delivery Contract for NSN 5330-01-113-2177, a Retainer Packing Set, with an estimated annual demand quantity of 810 units. The contract includes a 3-year base period and two 1-year options, totaling up to 5 years, with delivery required within 104 days after order placement. The item is non-commercial and subject to the Buy American and Trade Agreement Acts, with potential Berry Amendment and domestic material restrictions. Approved sources include Hamilton Sundstrand and Intertrade Limited, but other parties may identify their interest and capability to supply a commercial item within 15 days of this notice. The government will evaluate offers based on a combination of price, delivery, performance, and surge and sustainment capability.