Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 311-03 ITEM 93 found under Spring Helical Comp by Cleveland Gear Company Inc. The National Stock Number assigned to this part is 5360014522784, 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 311-03 ITEM 93.