Okuma LB-15 Artillery Brush Adapter 1 1/4-7 Thread

These are some artillery brush adapters we make for the U.S Army in our Okuma Cnc lathe. 935 pcs on this order. Parts are made from 1.250" Dia. 1018 CRS.
The front end is tapered leading up to an 1 1/4-7 thread and the hole thru is .515" dia. They have the cross hole machined in our Haas vertical machining center.