Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA22079 found under Parts Kit Safety Relief Valve by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 4820001278923, 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 RA22079.