This solicitation is for NSN 5310011028856, a self-locking hexagonal nut, with an initial quantity of 7,772 units. Delivery is required within 398 days after order, and items will be shipped to various CONUS and OCONUS DLA depots. The contract may result in an Indefinite Delivery Contract with a one-year term, a guaranteed minimum of 777 units, and a total aggregate cap of $350,000. It is estimated that there will be 2 orders per year. This is a source-controlled drawing item with specific approved sources, and quotes must be submitted electronically.