2990-15-125-8687

5910-00-856-8647 5910008568647 008568647

4910-21-856-8647 4910218568647 218568647 is a rigid piece of abrasive with or without mounting facilities. items having such mounting facilities as a fixed spindle, a threaded insert, or an arbor hole are designed for mounting on a grinding machine, tool chuck or mandrel. items without mounting facilities are designed to be secured in a wheel holder by means of spring clamps.

4910-21-112-2218 4910211122218 211122218 TOOL,CHECKING

4910-21-106-0015 4910211060015 211060015 is a device for removing foreign matter from the electrode end of a spark plug by abrasive blast action and/or for determining the serviceability of a spark plug by observing its performance under simulated engine combustion pressures and voltages or under varied voltage conditions only.