Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 120222-0050BC found under Spring Special by Bei Sensors And Systems Co Inc. The National Stock Number assigned to this part is 5360004214569, 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 120222-0050BC.