This is a federal delivery order contract awarded by the Naval Supply Systems Command (NAVSUP) to Parker-Hannifin Corporation, a large defense supplier, for the modification of a valve. The contract has a firm fixed price of $85,564.93 and a completion date of May 11, 2016. Parker-Hannifin, through its Customer Support Operations Division, provides a wide range of aerospace components and repair services to the U.S. government, particularly in support of military aircraft programs such as the B-2 stealth bomber, F/A-18, AV-8B, P-8, and V-22. The company holds several significant Indefinite Delivery Vehicles with the Department of Defense, including a $15 million contract for overhaul and repair services on the B-2's vent control valve, and a $236 million Basic Ordering Agreement for strategic systems support, repair, and spare parts across various military aircraft platforms. This contract award is not set aside for small businesses.