Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4F54401-102A found under Arm Assy Idler Door by A And M Aerospace Inc. The National Stock Number assigned to this part is 1560004130499, 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 4F54401-102A.