Armature Stop Collar "107","108" & "110" PMGR w/11mm Shaft - 11mm ID x 4.7mm 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)