This is a presolicitation notice for an Indefinite Quantity Contract to support military depot stock replenishment. The total contract duration shall not exceed 4 years, consisting of a 1-year base period plus 3 option years. The contract covers one National Stock Number (NSN) item, a filter unit managed by DLA Land and Maritime, with an estimated annual demand of 457 units. Performance location is not specified, and no budget amount is provided. Award will be based on a combination of price, past performance, delivery, and surge/sustainment factors.