Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VTR 454-57000 found under Cover Turbo Ring by Abb Ltd. The National Stock Number assigned to this part is 2990013512714, 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 VTR 454-57000.