Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MANUAL ITEM 20 PAGE 10 found under Spring Flat by Thermopatch Corporation. The National Stock Number assigned to this part is 5360015701578, 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 MANUAL ITEM 20 PAGE 10.