Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA22540 found under Parts Kit Dehydrato by Crane Company. The National Stock Number assigned to this part is 1660000532954, 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 RA22540.