Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 49DX075 found under Tank Oil Lubricant by Rolls Royce Power Engineering Plc. The National Stock Number assigned to this part is 2990993961078, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 49DX075.