Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TAM255 found under Wrench Cam Reductio by Pratt And Whitney Canada Inc Whi. The National Stock Number assigned to this part is 5120001427242, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TAM255.