https://www.jemautomatics.com/screw-machine-spare-parts/acme-gridley-attachment-repair-parts/threading-and-reaming/threading-lever-assembly-a-392770/a-392770-complete-front-threading-lever-assembly
A-392770 Complete Front Threading Lever Assembly
Acme Gridley replacement part number A-392770
completefrontthreadingleverassembly