Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 270-2698 found under Valve Regulating Fluid Pressure by Abrasive Blast Systems Inc. The National Stock Number assigned to this part is 4820014966121, 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 270-2698.