Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11310644 PL11310644 found under Cylinder Assembly A by Rolls Royce Power Engineering Plc. The National Stock Number assigned to this part is 3040013018988, 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 11310644 PL11310644.