Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TT11DG-RA-9T 1 4 found under Switch Toggle by Alco Industries Inc. The National Stock Number assigned to this part is 5930011718762, 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 TT11DG-RA-9T 1 4.