NATIONAL ACME


MACHINE SIZE
8 RA-4 & RPA-8    10 RPA-6    12 RPA-4 & 6*

SPINDLE SPEED AND FEED CHANGE GEARS

*Note: Gears are available with 2 1/2-6 Spline, 2 Face with reference 
numbers beginning "B-". These gears fit 12 RPA-6 models requiring these specifications.

NO. 0F TEETH A.T.C. PART NO. REPLACES PART NO.   NO. 0F TEETH A.T.C. PART NO. REPLACES PART NO.
26R NA3-26R BU-88238   31L NA3-31L A-80379
27R NA3-27R BU-88373   39L NA3-39L 03062-19
28R NA3-28R BU-88239   45L NA3-45L 02679-22
29R NA3-29R 02679-1   46L NA3-46L BU-88252
30R NA3-30R BU-88240   48L NA3-48L BU-88254
31R NA3-31R 02679-2   51L NA3-51L 02679-11
32R NA3-32R BU-88241   52L NA3-52L BU-88258
33R NA3-33R 02679-3   53L NA3-53L BU-88386
34R NA3-34R BU-88242   54L NA3-54L BU-88260
35R NA3-35R BU-88377   55L NA3-55L 02679-12
36R NA3-36R BU-88243   56L NA3-56L BU-88262
37R NA3-37R 02679-4   57L NA3-57L 02679-13
38R NA3-38R BU-88244   58L NA3-58L BU-88264
39R NA3-39R 02679-5   59L NA3-59L 02679-14
40R NA3-40R BU-88245   60L NA3-60L BU-88265
41R NA3-41R 02679-6   61L NA3-61L 02679-15
42R NA3-42R BU-88247   62L NA3-62L BU-88266
43R NA3-43R 02679-7   63L NA3-63L 02679-16
44R NA3-44R BU-88249   64L NA3-64L BU-88267
45R NA3-45R 02679-8   65L NA3-65L 02679-17
46R NA3-46R BU-88251   66L NA3-66L BU-88268
47R NA3-47R 02679-9   67L NA3-67L 02679-18
48R NA3-48R BU-88253   68L NA3-68L BU-88269
49R NA3-49R BU-88384   69L NA3-69L 02679-19
50R NA3-50R BU-88255   70L NA3-70L BU-88270
51R NA3-51R 02679-10   71L NA3-71L 02679-20
52R NA3-52R BU-88257   72L NA3-72L BU-88271
54R NA3-54R A-80387   73L NA3-73L BU-88396
63R NA3-63R 02679-23   74L NA3-74L BU-88272
69R NA3-69R 03062-18   75L NA3-75L 02679-21
77R NA3-77R A-80400   76L NA3-76L BU-88273
        78L NA3-78L BU-88274
      80L NA3-80L BU-88275
    82L NA3-82L A-80405
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NATIONAL ACME


Automatic Tooling Corporation

521 St. Jean
Detroit, MI 48214 USA


Tel: 313-822-9250
Fax: 313-822-0192
E-mail us: atc-sales@automatic-tooling.com