Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KL12516 found under Dial Knob Lock by Raytheon Company. The National Stock Number assigned to this part is 5355009250026, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KL12516.