Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7-211642058-5 found under Backing Board Fuel by Mcdonnell Douglas Helicopter. The National Stock Number assigned to this part is 1560011637032, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7-211642058-5.