Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7227021-01 found under Leaf Butt Hinge by Tap Tool Inc. The National Stock Number assigned to this part is 5340001698630, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7227021-01.