Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PB4-PPMCRD-3NC found under Switch Push Pull by Emerson Network Power Connectivity. The National Stock Number assigned to this part is 5930014252940, 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 PB4-PPMCRD-3NC.