Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 58A3309 found under Duct Assembly by Chase Industries Inc. The National Stock Number assigned to this part is 4130007197146, 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 58A3309.