Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PW-12403-1Z found under Switch Stepping by Electro National Corporation. The National Stock Number assigned to this part is 5930006092412, 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 PW-12403-1Z.