Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 73RU 22372 found under Bracket Cab by Mack Trucks Inc. The National Stock Number assigned to this part is 2590011513863, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 73RU 22372.