Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 65720-50007-041 found under Protector Assembly Main Rotor He by Airborn Inc. The National Stock Number assigned to this part is 1560012997756, 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 65720-50007-041.