Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A837073-1001 found under Cap Assembly Air Duct by Precise Aero Products Inc. The National Stock Number assigned to this part is 1560011506542, 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 74A837073-1001.