Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16D1256E found under Spring Helical Compression by Acme Cleveland Corp. The National Stock Number assigned to this part is 5360003163287, 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 16D1256E.