Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1S5008-39 found under Spring Hlcps by Ruggles Klingemann Mfg Co. The National Stock Number assigned to this part is 5360012020809, 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 1S5008-39.