Y62 bayonet back type

       outer dia.:Φ62
       height:25~28      
       glycerine hole  on side:Φ7.3 
       glycerine hole  on back:9
 
       tie-in hole: 14 square×Φ9.3
                         14 square×Φ8.5
thickness  of case 0.8
thickness  of ring 0.7