Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L11954ITEM11 found under Spring Helical Compression by Shipham Valves A Division Of. The National Stock Number assigned to this part is 5360000057948, 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 L11954ITEM11.