Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EB 100773ASSY9 B found under Junction Box by Electric Boat Corporation. The National Stock Number assigned to this part is 5975014640925, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EB 100773ASSY9 B.