Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XB 78323D5001 found under Stud Turnbutton Fastener by Trw Assemblies And Fasteners Group. The National Stock Number assigned to this part is 5325014662632, 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 XB 78323D5001.