Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7-113100072 found under Bearing Roller Airframe by Mcdonnell Douglas Helicopter. The National Stock Number assigned to this part is 3110011634610, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7-113100072.