Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CU50204 found under Insulator Washer by Aircraft Products Co. The National Stock Number assigned to this part is 5970014806277, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CU50204.