This is a one-year indefinite delivery contract for pneumatic inner tubes, with a total order ceiling of $350,000 and a guaranteed minimum quantity of 60 units. The estimated number of orders per year is four. Delivery is required within 53 days after receipt of order, with shipments going to various DLA depots within and outside the continental United States. The solicitation is an RFQ available only electronically, and quotes must be submitted electronically. Only products from the four listed approved sources will be considered.