This acquisition is for a firm-fixed price, Indefinite Delivery Contract (IDC) with a total potential length of five years, including a three-year base period and two one-year option periods. The contract covers six National Stock Numbers (NSNs) and will be issued as a partial small business set-aside, with specific NSNs restricted to the sole approved source, Parker-Hannifin Corporation. Deliveries will be made to various DLA stocking locations both within and outside the continental United States. The final award decision will be based on a combination of price, past performance, proposed delivery, and small business participation, with evaluation conducted on an "all or none" basis per NSN. No budget amount is specified.