Armature Retaining Ring - PMGR with 12mm Shaft; 12mm ID x 2mm Thick (16956, 16963, 16976, 17023, 17038, 17222, 17223, 17231, 17236, 17415, 17416, 17417, 17508, 17560, 17563, 17575, 17663, 17667, 17670, 17690, 17698, 17702, 17705, 17720, 17730, 17751, 17789, 17790, 17792, 17856, 17923, 17924, 17977, 18360, 18365, 18366, 18368, 18369, 18948, 18949, 19003, 19004, 19051, 19667, 19669, 30178, 30455, 30476, 30654, 30656, 30665, 30683, 30714, 30720, 30733, 30749, 30750, 30760, 30783, 30789, 30790, 30892, 31165, 31167, 31199, 31207, 31208, 31223, 31352, 31510, 32358, 32669, 32767, 33033, 33148, 33149, 33202))