Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A835773-1013 found under Clamp Duct by Essner Manufacturing Lp. The National Stock Number assigned to this part is 1560011161370, 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 74A835773-1013.