Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11003-000 found under Cooling Coil Air Duct Type by Ametek Thermal Systems Inc. The National Stock Number assigned to this part is 4130008452371, 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 11003-000.