Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 46019-1 found under Kit Installation Outlet Seal by Therm Air Mfg Co Inc. The National Stock Number assigned to this part is 4120004809054, and the Federal Supply Class is 4120 Air Conditioning Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 46019-1.