Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FL 77N 0150 2AB R1 REV D IT 5 found under Disk Valve by Flowline Valve And Controls L L C. The National Stock Number assigned to this part is 4810016631051, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FL 77N 0150 2AB R1 REV D IT 5.