Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TN3BLR-1BOO found under Button by Ko Lee Company. The National Stock Number assigned to this part is 5930016300948, 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 TN3BLR-1BOO.