Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS-13289 found under Valve Plug by R And M Energy Systems Tomball P. The National Stock Number assigned to this part is 4820013724087, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RS-13289.