This National Acme replacement set screw part number 1490 (item 74-XA) is used in 5th Position Die Slide Assembly AM-412760.  View any of the following layout assembly drawings of the complete multispindle attachment for reference. This replacement part 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
For a complete set of Acme Gridley replacement set screws, part number 1148 (item 74-XA) used in assembly AM-412760, please enter a quantity of 5.
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