Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4J63215-101A found under Lug Anti Rotation by Essner Manufacturing Lp. The National Stock Number assigned to this part is 1560008465400, 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 4J63215-101A.