This is a sole-source, unrestricted acquisition for a specific filter element, with Parker Hannifin Corporation as the only approved source. The contract is an Indefinite Delivery Contract for one base year plus four option years, with a total value not to exceed a specified amount. Delivery of 155 days After Receipt of Order is required to DLA Distribution New Cumberland in Pennsylvania. Proposals must be submitted directly to the buyer, as the solicitation is not available on the standard bid board system. The final award decision will be based on a combination of price, past performance, and other evaluation factors.