Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FT498 found under Base Dynamotor by Viasys Respiratory Care Inc. The National Stock Number assigned to this part is 6125001946879, and the Federal Supply Class is 6125 Converters Electrical Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FT498.