This procurement is for 140 units of a shaft seal assembly (NSN 4320012259673) with delivery required 119 days after order. The contract will be a one-year Indefinite Delivery Contract with a guaranteed minimum quantity of 21 units, and the aggregate total of orders cannot exceed $350,000. An estimated 2 orders will be placed per year. Items will be shipped to various DLA Depots within the continental U.S. and overseas. The approved source is 04171 84074, and quotes must be submitted electronically.