Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31036-40018 FIND NO 10 found under Spring Helical Tors by Aai Corporation. The National Stock Number assigned to this part is 5360014214186, 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 31036-40018 FIND NO 10.