Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C123-Z9-C53 found under Stud Assembly Turnlock Fastener by Siemens Schweiz Ag. The National Stock Number assigned to this part is 5325009226339, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C123-Z9-C53.