Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 621170-000-001 found under by Alcatel Network Systems Inc. The National Stock Number assigned to this part is 5805012258513, and the Federal Supply Class is 5805 Telephone And Telegraph Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 621170-000-001.