Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FD1004000 found under by Fidelity Mfg Co. The National Stock Number assigned to this part is 5840014861754, and the Federal Supply Class is 5840 Radar Equipment Except Airborne. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FD1004000.