Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HAD21583-04 found under Wiring Harness Bran by Harco Manufacturing Company. The National Stock Number assigned to this part is 6150010743780, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HAD21583-04.