Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 583974-003 found under Cartridge Turbo by Pacific Consolidated Industries. The National Stock Number assigned to this part is 2990016047597, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 583974-003.