Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ACE 038N1 D614 found under Piston Valve by Imo Industries Inc. The National Stock Number assigned to this part is 4820014267783, 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 ACE 038N1 D614.