Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4P53496-101B found under Hook Pylon by Essner Manufacturing Lp. The National Stock Number assigned to this part is 1560001662467, 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 4P53496-101B.