Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS18954-550 found under Coupling Clamp Pipe by Eaton Corporation. The National Stock Number assigned to this part is 4730016650825, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AS18954-550.