Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-89805-2-18A found under Baffle Fluid Cooler Industrial by Tranter Phe Inc. The National Stock Number assigned to this part is 4420013197902, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D-89805-2-18A.