Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 645C179P001 found under Sprine Spiral Torsi by Associated Spring Barnes Group Inc. The National Stock Number assigned to this part is 2915007199250, and the Federal Supply Class is 2915 Engine Fuel System Components Aircraft And Missile Prime Movers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 645C179P001.