1-5/8" RBN-8 item 50A - Revolving Arm Assembly

View the Acme Gridley 1-5/8" RBN-8 illustrated code reference drawing for Group A

This National Acme replacement revolving arm assembly part number is for Acme Gridley 1-5/8" RBN-8 multi spindle screw machines starting with serial number AM-40083.  Please contact us if your screw machine serial number is prior to this number.

Ordering an Acme Gridley 1-5/8" RBN-8 item 50-A replacement revolving arm assembly automatically includes the following:

Qty (1) Revolving Arm Assembly, Acme Gridley part number AM-40962
Qty (4) Screws, Acme Gridley part number 1158 (item 51-A)
Qty (1) Roll, Acme Gridley part number 14258 (item 44-A)
Qty (1) Roll Stud, Acme Gridley part number XA-5331 (item 45-A)
Qty (1) Taper Pin, Acme Gridley part number 50027 (item 46-A)
Qty (1) Locking Pin Cam, Acme Gridley part number AM-40090 (item 47-A)
Qty (1) Dowel Pin, Acme Gridley part number 4427 (item 49-A)
Qty (2) Screws, Acme Gridley part number 1053 (item 48-A)