Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A02E4053-27 found under Duct Assembly by B H Aircraft Company Inc. The National Stock Number assigned to this part is 1560000732579, 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 A02E4053-27.