Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AE4498PC3 found under Spring Helical Comp by Btr Valve Sealants Inc. The National Stock Number assigned to this part is 5360007533484, 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 AE4498PC3.