Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 501489-001 found under Cable Assembly Spec by Rugged Information Technology Eq. The National Stock Number assigned to this part is 5995014368153, 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 501489-001.