Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RB000078 found under Cap Valve by L 3 Communications Integrated. The National Stock Number assigned to this part is 4820014467604, 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 RB000078.