Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5E4820 51-0005 found under Semiconductor Devic by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 5961012210809, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5E4820 51-0005.