Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1S611653 found under Cooler Unit Air by Fincantieri Marine Systems North. The National Stock Number assigned to this part is 4130015090646, 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 1S611653.