This is a proposed procurement for a one-year indefinite delivery contract for non-metallic seals, with an aggregate order ceiling of $350,000 and a guaranteed minimum quantity of 30 units. The contract term is one year or until the $350,000 total is reached, with an estimated four orders per year. Delivery of 206 units is required within 69 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 the solicitation is only available online. All responsible sources may submit a quote for consideration.