Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28477-00708 found under Coupler Optoelectro by Selex Es Ltd. The National Stock Number assigned to this part is 5980010917545, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 28477-00708.