Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS000155-001-00 found under Ring Split Axial Engine by Pratt And Whitney Rocketdyneinc. The National Stock Number assigned to this part is 2845003134874, 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 RS000155-001-00.