Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1607 07021 000 found under Kit Assy by Rotair Industries Inc. The National Stock Number assigned to this part is 1660014672274, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S1607 07021 000.