Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 540 024 550 found under Cylinder Assembly Actuating Line by Raymond Corporation The. The National Stock Number assigned to this part is 2590001856882, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 540 024 550.