Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 504-0002-000 found under by International Tapetronics Corp. The National Stock Number assigned to this part is 5835011012184, and the Federal Supply Class is 5835 Sound Recording And Reproducing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 504-0002-000.