Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HE 8058-28.75 found under Heat Interchanger Refrigerant by Doucette Industries Inc. The National Stock Number assigned to this part is 4130011242621, 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 HE 8058-28.75.