This procurement is for a one-year Indefinite Delivery Contract for plain seals, with an aggregate order ceiling of $350,000. The contract has a guaranteed minimum of one unit, with an estimated four orders per year. Delivery is required within 210 days after receipt of order, with items shipped to various DLA depots within and outside the continental United States. Quotes must be submitted electronically, and no hard copies or specifications are available. All responsible sources may submit a quote for consideration.