A-392780 Complete Rear Threading Lever Assembly

National Acme replacement Rear Threading Lever Assembly A-392780.   View any of the following layout assembly drawings of the complete multispindle attachment for reference.  This replacement assembly may be used in attachment assemblies that fit numerous size Acme Gridley multi spindle screw machines and/or positions.

Acme Gridley 1-1/4" RB-8 Reaming Attachment - 5th Position
Acme Gridley 1-1/4" RB-8 Universal Threading Attachment - 5th Position

Ordering a complete Rear Threading Lever Assembly A-392780 for an Acme Gridley screw machine automatically includes the following:

Qty (1) Threading Lever, Acme Gridley part number A-392090 (item 53-XA)
Qty (6) Bushings, Acme Gridley part number C-17097 (item 54-XA)
Qty (1) Spacer, Acme Gridley part number 44374 (item 60-XA)
Qty (1) Set Screw, Acme Gridley part number 1412 (item 85-XA)
Qty (1) Lever Stud, Acme Gridley part number A-39242 (item 58-XA)
Qty (1) Lever Pin, Acme Gridley part number XA-1753 (item 52-XA)
Qty (2) Truarc Rings, Acme Gridley part number 02502-26
Qty (1) Taper Pin, Acme Gridley part number 303 (item 57-XA)
Qty (1) Roll Stud, Acme Gridley part number 1091 (item 56-XA)
Qty (1) Roll, Acme Gridley part number 3019 (item 55-XA)