Norton gearbox stop stud and nut for pawl carrier, dolls head and upright gearbox, ea. 5/16 x 5/16 BSCy CEI, with short offset. For spring cover plate with 5/16 in hole and cam plate with NO recess. NOTE: Check the size of the hole in the return spring cover plate before you order as these vary but all have the same part number. Original Part Numbers: 3630; A2/411 - stop stud for pawl carrier 9646; A2/412 - stop stud nut for pawl carrier washer
