Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FT142-0-3 found under Plate Assembly Transition Duct C by Flexible Technologies Inc. The National Stock Number assigned to this part is 4520001534694, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FT142-0-3.