 | Commutator lock nut, fine thread with nylon jamAdditional Information Commutator lock nut, fine thread with nylon jam, used on 2 piece timers from 1909-1911 self-locking nut that will not work loose like standard nut. Customers Who Bought This Item Also Bought FAQ There are currently no FAQ for this item. To ask a question about this item please press and fill out the form.  | Bookmark This Page Don't forget to bookmark us! |