Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17720233A 40MM SH IT6 found under Spring Helical Extension by Halla Hydro Ab. The National Stock Number assigned to this part is 5360014332345, 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 17720233A 40MM SH IT6.