Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NOR4009-0101 found under Hose Assembly Air D by Flexfab Llc. The National Stock Number assigned to this part is 4720013890328, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NOR4009-0101.