Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 496 42599 954 614 B found under Ring Piston by Greene Tweed And Co. The National Stock Number assigned to this part is 3040016641154, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 496 42599 954 614 B.