Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 821-0-001 found under Mandrel Uniflex by Pines Manufacturing Inc. The National Stock Number assigned to this part is 3441005311306, and the Federal Supply Class is 3441 Bending And Forming Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 821-0-001.