Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 818 943 2000 5 found under Transformer Current by Tyco Electronics Crompton Instrument. The National Stock Number assigned to this part is 5950012443937, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 818 943 2000 5.