Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7-515-000047 found under Drier Air Gas Desiccant by Keystone Automotive Operations Inc. The National Stock Number assigned to this part is 4440010879472, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7-515-000047.