Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P O63543 found under Motor Direct Curren by Espey Mfg And Electronics Corp. The National Stock Number assigned to this part is 6105014564488, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P O63543.