Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28MCV620HRA034BLNX found under Cooling Coil Air Duct Type by Carrier Machinery And Systems Div Of. The National Stock Number assigned to this part is 4130016221745, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 28MCV620HRA034BLNX.