Plastic washer pack 10 for kenwood fp700 900km200 250a900km300km310km400km410km500 km600km800pb500 501pm400pm900kmc500kmc550kmm700kmm750 kenwood genuine part number kw650374 correct fitting of washer the central hole in the washer has a squared edge on one side and a stepped edge on the other side the stepped edge must be fitted against the drive coupling face down this helps to locate the washer without the use of excessive force the use of this spare part requires