Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D8815 found under Filter Element Fluid by Barnstead Thermolyne Corporation. The National Stock Number assigned to this part is 2590011043990, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D8815.