Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 227 10103B found under Spring Helical Comp by Munck Cranes A S. The National Stock Number assigned to this part is 5360251501447, 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 227 10103B.