Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 46A-501 found under Coil Electrical by Challenger Electrical Equipment Corp. The National Stock Number assigned to this part is 5950012686301, 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 46A-501.