Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MBC-128B5-01 found under Nrp Power Supply C2 by Sekai Electronics Inc. The National Stock Number assigned to this part is 1680016102366, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MBC-128B5-01.