Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12712 1190 found under Switch Knob by Optics 1 Inc. The National Stock Number assigned to this part is 5930016717006, 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 12712 1190.