Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3166016-1 found under Spring Helical Comp by Precision Coil Spring Companythe. The National Stock Number assigned to this part is 5360010803111, 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 3166016-1.