New Norton Commando front fork nut washers. Washer will replace Norton Commando 06-7511 067511 & NMT320. Measures approx 38mm OD x 28.5mm ID x 1.5mm - sold each. Fits various Norton 750 and 850 models up to 1975. Also works with Norton Road Holder forks... Check your parts book to ensure the best fitment.