Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2768-9003 found under Valve Regulating Fl by Treadwell Corporation. The National Stock Number assigned to this part is 4820000869973, 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 2768-9003.