NSN 3130-01-082-9644, BEARING, UNIT, BALL. This solicitation may result in an Indefinite Delivery Contract (IDC) for a base period of five years. The item description contains sources Sikorsky Aircraft Corporation, CAGE 78286, P/N 70400-01612-043 and A.F. Machine & Tool Company Incorporated, CAGE 64406, P/N 70400-01612-043. The solicitation is Unrestricted. Inspection/Acceptance at Origin. FOB Destination. Delivery is 172 days after receipt of order (after First Article Test approval). Government First Article Test. Government Production Lot Test. Critical Safety Item. Pricing will be evaluated on the Estimated Annual Demand (EAD) quantity of 178 each for the base period. The final contract award decision may be based upon a combination of price, delivery, past performance, and other evaluation factors as described in the solicitation. A copy of the solicitation will be available via the DLA Internet Bid Board System (DIBBS) Homepage (https://www.dibbs.bsm.dla.mil).