Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PDRO-3405 found under Nrp Pl Dielectric O by Herley Industries Inc. The National Stock Number assigned to this part is 5963016417916, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PDRO-3405.