Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS-1018-19A found under Tube Assembly by R A Miller Industries Inc. The National Stock Number assigned to this part is 4710011415390, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AS-1018-19A.