Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WL433D6020-1 found under Cable Assembly Ribb by Ems Development Corporation. The National Stock Number assigned to this part is 5995016187385, 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 WL433D6020-1.