This procurement is for NSN 2520218787129 RING,CENTERING, with a quantity of 243 units and delivery required 81 days after order. The contract may be an automated Indefinite Delivery Contract with a one-year term or until aggregate orders reach $350,000. An estimated 2 orders per year are anticipated, with a guaranteed minimum quantity of 36 units. Items will be shipped to various CONUS and OCONUS DLA depots. Approved sources are listed, but all responsible sources may submit an electronic quote; specifications and hard copies are not available.