Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-4-46345-2 found under Baffle Fluid Cooler Industrial by Tranter Phe Inc. The National Stock Number assigned to this part is 4420013549973, 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 A-4-46345-2.