Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 856A1241P01 found under Drier Air Gas Desiccant by Cfm International Inc. The National Stock Number assigned to this part is 4440011570119, 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 856A1241P01.