Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19LEXXX0X56A4CXXXX01 found under Meter Fluid Flow Indicating Diff by Cameron Technologies Us Inc. The National Stock Number assigned to this part is 6680004005207, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 19LEXXX0X56A4CXXXX01.