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Acme Gridley 5/8" RN-6 Replacement Parts, Tooling, and Attachments
Screw machine replacement parts catalog and code reference drawings for Acme Gridley 5/8" RN-6 multi spindle screw machines. These code reference parts catalog and attachment layout drawing pages below identify and list replacement parts for National Acme built Acme Gridley 5/8" RN-6 automatic 6-spindle lathe screw machines.
This 5/8" RN-6 spare parts catalog section is currently under construction and some catalog pages or parts lists may not yet be active or available to view. Please check back again soon as we are continually expanding our multispindle online parts catalogs.
Acme Gridley 5/8" RN6 Spindle Speed & Feed Gears
Feed change gears 76 teeth per set
Spindle speed gears 76 teeth per set
1-1/4"-6 spline, 1-1/8" face
10 pitch straight, or 10-12 pitch helical
| NUMBER OF TEETH |
PART NUMBER |
| 20 | 20241 or NA56-20 |
| 22 | 20242 or NA56-22 |
| 24 | 20243 or NA56-24 |
| 26 | 20244 or NA56-26 |
| 28 | 20245 or NA56-28 |
| 30 | 20246 or NA56-30 |
| 32 | 20247 or NA56-32 |
| 34 | 20248 or NA56-34 |
| 36 | 20249 or NA56-36 |
| 38 | 20250 or NA56-38 |
| 40 | 20251 or NA56-40 |
| 42 | 20252 or NA56-42 |
| 44 | 20253 or NA56-44 |
| 46 | 20254 or NA56-46 |
| 48 | 20255 or NA56-48 |
| 50 | 20256 or NA56-50 |
| 52 | 20257 or NA56-52 |
| 54 | 20258 or NA56-54 |
| 56 | 20259 or NA56-56 |
| 58 | 20260 or NA56-58 |
| 60 | 20261 or NA56-60 |
Helical spindle speed & feed change gears
| NUMBER OF TEETH |
PART NUMBER | RH OR LH |
| 20 | 0515-65 or NA56-20R | R |
| 22 | 0515-67 or NA56-22R | R |
| 24 | 0515-69 or NA56-24R | R |
| 26 | 0515-71 or NA56-26R | R |
| 28 | 0515-73 or NA56-28R | R |
| 30 | 0515-75 or NA56-30R | R |
| 32 | 0515-77 or NA56-32R | R |
| 34 | 0515-79 or NA56-34R | R |
| 36 | 0515-81 or NA56-36R | R |
| 38 | 0515-83 or NA56-38R | R |
| 38 | 0947-8 or NA56-38L | L |
| 40 | 0947-7 or NA56-20R | R |
| 40 | 0515-85 or NA56-40L | L |
| 42 | 0515-87 or NA56-42L | L |
| 44 | 0515-89 or NA56-44L | L |
| 46 | 0515-91 or NA56-46L | L |
| 48 | 0515-93 or NA56-48L | L |
| 50 | 0515-95 or NA56-50L | L |
| 52 | 0515-97 or NA56-52L | L |
| 54 | 0515-99 or NA56-54L | L |
| 56 | 0947-2 or NA56-56L | L |
| 58 | 0947-4 or NA56-58L | L |
| 60 | 0947-6 or NA56-60L | L |
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