Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DAX11687 found under Valve Regulating Fluid Pressure by Allison Transmission Holdings Inc. The National Stock Number assigned to this part is 4820010749591, 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 DAX11687.