Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MR-824-9.8-1 208TR(28V)FIR found under Heater Duct Type Stationary by Trandes Corporation. The National Stock Number assigned to this part is 4520015213807, 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 MR-824-9.8-1 208TR(28V)FIR.