Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 050-45-89B found under Cable Assembly Ribbon Electrical by Parlex Usa Inc. The National Stock Number assigned to this part is 5995015311027, and the Federal Supply Class is 5995 Cable Cord And Wire Assemblies Communication Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 050-45-89B.