Special Notice: DEPT OF DEFENSE, DEPT OF THE AIR FORCE is seeking a procurement for an aircraft wheel and brake system. The specific item being procured is a cylinder assembly with part number 6U6033. This cylinder assembly, with National Stock Number (NSN) 1630-00-435-1350, is an essential component of the aircraft wheel and brake system. It is used to provide hydraulic pressure for the braking mechanism, allowing for effective control and stopping of the aircraft. The procurement is aimed at ensuring the availability and functionality of the aircraft's braking system.