Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3864 found under Spring Tension by At And T Corp. The National Stock Number assigned to this part is 5360003919612, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3864.