Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SW8-144-853-A-1 found under Booth Cleaning And Inspecting Le by Air System Components Inc. The National Stock Number assigned to this part is 4940013137438, 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 SW8-144-853-A-1.