Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PJDA-1-4F-4M-HC found under by Pdi Technology Inc. The National Stock Number assigned to this part is 5930015272081, 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 PJDA-1-4F-4M-HC.