Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D5029 found under Filter Assembly Wat by Barnstead Thermolyne Corporation. The National Stock Number assigned to this part is 4610015244579, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D5029.