Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 102990 found under Parts Kit Air Flow by U S Divers Co Inc. The National Stock Number assigned to this part is 1660015946233, 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 102990.