Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RP45201 19MM X found under Hose Assembly by Rolls Royce Power Engineering Plc. The National Stock Number assigned to this part is 4720992156004, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RP45201 19MM X.