Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL 49DX091 32 found under Valve Gate by Rolls Royce Power Engineering Plc. The National Stock Number assigned to this part is 4820991262979, 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 PL 49DX091 32.