Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87051 found under Duct Assembly Air C by Tennant Company. The National Stock Number assigned to this part is 2540014492347, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 87051.