Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U28-5527PT1 found under Switch Rotary by Raytheon Company. The National Stock Number assigned to this part is 5930002467997, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like U28-5527PT1.