Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11-2-4-6WS found under Block Radius Tube B by Pines Manufacturing Inc. The National Stock Number assigned to this part is 3441010755794, 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 11-2-4-6WS.