Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NP1-1091 found under Dancer Assembly Spr by Cetec Corp. The National Stock Number assigned to this part is 5360010581714, 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 NP1-1091.