This is a proposed procurement for a one-year Indefinite Delivery Contract for wiper rings, with an aggregate order ceiling of $350,000. The guaranteed minimum is one unit, with an estimated three orders per year. Delivery of items is required within 70 days after receipt of order, with shipments going to various DLA depots within and outside the continental United States. Quotes must be submitted electronically, and only products from the two approved sources listed are eligible.