Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 324 111X4D found under Valve Plug by Teledyne Technologies Inc. The National Stock Number assigned to this part is 4820005416990, 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 324 111X4D.