Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS12SDP4 found under Switchslide by Nkk Switches Of America Inc. The National Stock Number assigned to this part is 5930016966586, 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 SS12SDP4.