This interlock switch is designed to be used with the following part numbers:
410382 - Silvaflame Lathe Chuck Guard 6"
410383 - Silvaflame Lathe Chuck Guard 12"
410384 - Silvaflame Lathe Chuck Guard 18"
410378 - Silvaflame Cross Slide Lathe Guard SL Type 6"
410379 - Silvaflame Cross Slide Lathe Guard SL Type 12"
410380 - Silvaflame Cross Slide Lathe Guard SL Type 18"