Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5167273 found under Coupling Front by Mtu America Incorporated. The National Stock Number assigned to this part is 2240008592421, and the Federal Supply Class is 2240 Locomotive And Rail Car Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5167273.