Briggs and Stratton Square Key part# 692191 is 3/16" square and 1-1/2" long. This key is used in the keyway on the PTO end of the crankshaft. Following is a list of some of the models that use this key; 91200, 92200, 93300, 93400, 98900, 10D900, 10T500, 110400, 111400, 113400, 121100, 121600, 121H00, 122200, 122300, 122400, 123300, 123400, 124600, 125600, 126300, 126600, 128300, 129800, 12D100, 12F700, 12G800, 12H100, 12H200, 12H300, 12J700, 12J800, 12L300, 12S100, 12S200, 12S400, 133200, 135200, 13H100, 13H300, 13L300, 15C100, and 303400. There may be other models that use this part that we do not have listed here. All Briggs and Stratton parts are type number and sometimes code number specific. Please refer to a parts breakdown for your specific model, type, and code numbers to assure that this part will work on your motor.
