Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1240-0003 found under Spring Spiral Torsion by F M Brick Industries Inc. The National Stock Number assigned to this part is 5360014110881, 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 1240-0003.