Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CKL12BTW01 found under Switch Lock by Nkk Switches Of America Inc. The National Stock Number assigned to this part is 5930016197504, 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 CKL12BTW01.