NATIONAL ACME

MISCELLANEOUS GEARS

*Listed in numercal order excluding prefix.
A.T.C.
PART NO.
CODE REPLACES
PART NO.*
NO. OF TEETH DESCRIPTION
7902             01393-1 44 L Pulley Shaft Gear 6 RB-6
9047 16-EA           01688-26 39 R Range Gear 1 RA-6 (Deletes 15-EA, replaces 16-EA & mates w/4-EA Gear)
5571 118-R          4247 12 Spur Lubricating Oil Pump Gear 1 5/8 RB-8; 2 5/8 & 3 1/2 RB-6; 3 1/2 & 4 3/4 RB-4
6908 107-L        23429 54 Spur Gear on Drum Intermediate Cut-Off Slide 2nd & 5th Pos. 9/16 & 1 RA-6
6886 57-Q        23430 54 Spur Gears for Cams 2nd & 5th Positions  9/16 & 1 RA-6
     8924            Bushing for ATC 6886 (23430)
9597 6-Q        23548 13 Spur Gear 9/16 RA-6
5585 126-R    B-31111 15 Spur Motor Drive Gear 1 5/8 RB-8; 2 5/8 & 3 1/2 RB-6; 3 1/2 & 4 3/4 RB-4
6033      B-31112 35 Spur Cutting Oil Pump Gear 1 5/8 RB-8; 2 5/8 & 3 1/2 RB-6; 3 1/2 & 4 3/4 RB-4
     7798          33 Spur      Same as 6033 Gear Except Number of Teeth
2141      B-31156 45-Spur Pump Drive Gear 9/16 RA-6
2142      B-31157 15-Spur Pump Drive Gear 9/16 RA-6
6507 100-E    A-38148 31 L Small Gear on Pulley Shaft 2, 2 1/4 &  2 5/8 RA-4; 1 5/8 RB-6
7545      A-38152 52 L Gear 1-5/8 RA-6
8582      A-38172 25 L Pump Shaft Drive Gear
8583 74-S    A-38186 34 R Lube Pump Shaft Gear
8583 SPECIAL     34 R Lube Pump Shaft Gear (Same as 8583 Except Metric Spline)
8022      A-38199 29 L Hi Range Feed Gear
8021      A-38203 46 L Gear
8702      A-40229 79 L Bull Gear 1 5/8 RA-6
      9402             Bronze Bull Gear Bushing Only (Included with Bull Gear 8702) 
3520   AM-40229   Bull Gear Assembly 1 1/4 RB-8 
     8997            Bull Gear Only
     8998            Bushing Only
9184         45262 12 Spur Pump Gear 2 5/8
9182         54193 12 Spur Pump Idler Gear 1 5/8 & 2 8-Spindle
6755     A-60148 52 R Large Drive Gear on Pulley Shaft for Feed Change Gear Shaft 6 1/2 RAC-6
3594     47 Spur Index Assembly 3/4 RA-8
     9779        BD-70100      47 Spur      Gear for Index Assembly
     9780        17071        Bushing for Gear for Index Assembly
     9778        BD-70096        Top Plate for Index Assembly
8567   BD-70160 38 L Feed Drive Gear 3/4 RA-8
8992   BD-70162 79 Spur Threading Gear 3/4 RA-8
7942   BD-70165 54 R Spindle Change Gear 3/4 RB-8
6930         70499 20 L Pulley Shaft Gear
3398   AD-80092 63 Spur Double Index Idler Gear Assembly 8 RPA-8, 10 RPA-6
     7724          63 Spur      Gear Component Only 
     7711            Gear Bushing
8724     A-80350 54 Spur Idler Gear (Phenolic)
8127     A-80400 77 R Gear
8722     A-81332 61 R Gear
7666     A-82064 47 Spur Gear 1-5/8 RB-6
5728 14-L   B-82064 38 Spur Slide Guide Shaft Gear in Support 1 5/8 RA-8; 2 1/4 & 2 5/8 RA-6; 3 1/2 RA-4
6506 161-E   A-82199 36 L Small Gear on Small Worm Shaft 1 5/8 RB-8; 2 5/8 & 3 1/2 RA-6
6505 48-E   A-82203 58 L Large Gear on Small Worm Shaft 2 5/8 & 3 1/2 RA-6; 2 5/8 RB-8
5570 149-R   B-82704 12 Spur Lubricating Oil Pump Gear 1 5/8 RB-8; 2 5/8 & 3 1/2 RB-6; 3 1/2 & 4 3/4 RB-4
9626     A-85260 27 Spur Gear for Attachment
9629     A-85263 42 Spur Threading Gear 2 5/8 RB-6
3449   AC-86100 114 Spur Bull Gear 10 RPA-4
7721     A-86508 60 L Cross Slide Drive Gear 6 RPA-8
8181     A-86509 60 R Gear
8767   BC-88064 35 Spur Turnover Gear 6 RB-6
3362   BC-88077 52 Spur Intermediate Gear 6 RB-6
7538   BC-88100 98 Spur Index Disc Gear 6 RB-6
9661   AC-88162-1 88 Spur Thread Drive Gear for Spindle Drive Shaft 
7577   BM-88165 71 L Gear on Spindle Change Gear Shaft (With Hub) 4 RB-8, 6 RB-6
7533   BM-88166 44 L Gear on Spindle Change Gear Shaft 6 RB-6
7540      B-88170 57 R Rapid Gear Housing 6 RB-6
7581   BC-88186 27 L Lube Pump Gear 6 RB-6
7580   BM-88196 57 Spur Gear on Large Worm Shaft 6 RB-6
   
A.T.C.             PART NO. CODE REPLACES
PART NO.*
NO. OF
TEETH
DESCRIPTION
7536     B-88228 38 L Gear 6 RB-6
8111     B-88232 67 L Gear on Small Worm Shaft 6 RB-6
8098   BC-88234 75 L Gear on Spindle Change Gear Shaft (4.25 Wide-With Hub) 6 RB-6
8401   BC-88234 75 L Gear on Intermediate Shaft (3.00 Wide-No Hub) 6 RB-6
     8418          58 L      Special Gear (Similar to 8401 except number of teeth) 6 RB-6
8886   BU-88249 44 R Gear
8887   BU-88264 58 L Gear
7534     B-88549 36 L Idler Gear 6 RB-6
7583   BM-88564 57 Spur Spur Gear Component 6 RB-6
9660   AC-89218-1 74 Spur Gear for Clutch Shaft
9631   AC-89308 58 R HLCL Drive Gear (1 1/2 6-Spline)
7740      B-92172 38 Spur Lube Pump Gear 3 1/2 & 4-6; 5 1/8 RB-4
7739      B-92186 44 Spur Lube Pump Gear 3 1/2 & 4-6, 5-1/8 RB-4
7737 14-L    A-94064 51 Spur Gear 1 5/8 RB-8, 3 1/2 RB-6
3406      A-96097 14 Spur Segment Gear Assembly for Stock Stop Assembly 1 5/8 RB-8
     7813 (1)          14 Spur      Segment Gear Only
     5647 (1)               14246        Roll
     5659 (1)               14407        Stud
6688          201634 54 L Threading Gear on Spindle Drive Shaft
9400       D-201740 42 R Gear
9183           207030 10 Spur Pump Gear 7/8 RA-4; 9/16 & 1 RA-6
9698           221623 49 Spur Threading Gear on Spindle Drive Shaft
9505 55-D        222291 54 Spur Center Gear 9/16 RA-6
9609 6-D        225030 44 Spur Gear 9/16 RA-6 (1 Inch Frame)
7371          226180 42 R Range Gear 1 5/8 R-6
9308          283082 26 Spur Quill Gear
9044      B-311110 16 Spur Pump Drive Gear    
9037      B-311120 38 Spur Oil Pump Gear 1 5/8 RB-8 & Larger Machines
8703      B-380690 47 Spur Gear 
6509         381650 63 R Gear on Change Gear Shaft 1-5/8 R-6, 2 R-4
6736         401720 22 R Pump Drive Gear on Constant Speed Shaft
6735         401860 38 L Gear on Pump Drive Shaft
7929         700960   Index Disc Only (See ATC 3414 Assembly Reference 709610) 1 1/4 RA-6
7928         701000 66 Spur Disc Gear Only (See ATC 3414 Assembly Reference 709610) 1 1/4 RA-6
6931         701520 35 L Pulley Shaft Gear
8637         701660 39 R Gear 1 1/4 RA-6   
9857 27-A BD-701990 27 R Gear 3/4 RA-8, 1 1/4 RA-6
3414         709610 66 Spur Index Gear Assembly 1 1/4 RA-6
     7928             701000      66 Spur      Disc Gear
     7929             700960        Index Disc
     7930                17071        Disc Gear Bushing
7686   AC-801003 88 Spur Index Gear (New Style) 10 RPA-6
7686 SPECIAL     84 Spur Index Gear (Old Style) 10 RPA-6
3396   AC-801051 69 Spur Double Index Idler Gear Assembly 8 RPA-8, 10 RPA-6
     7710          69 Spur      Gear Component Only
     7711            Gear Bushing
5710 100-E   A-821480 28 R Small Gear on Pulley Shaft 3 1/2 RA-6, 2 5/8 RB-8
7860 3-E   A-821521 52 R Large Gear 2-5/8 RB-8
9824     A-852620 30 Spur Gear Threading Drive Shaft
7720     A-861650 88 L Spindle Change Gear 6 RPA-8
8750     A-861660 56 L Gear 6 RPA-8
7535   BC-881520 27 R Gear 6 RB-6
     8419     44 R      Gear (Similar to ATC 7535, BC-881520, Except Number of Teeth
8398   BM-881520 37 R Gear 4 RB-8
8399   BX-881520 31 R Gear 7 3/4 RB-4
8109   BX-881650 72 L Gear on Spindle Chg Gear Shaft (With Hub)  7 3/4 RB-4
8110   BX-881660 51 L Gear on Spindle Chg Gear Shaft 7 3/4 RB-4
8400   BM-882340 65 L Gear on Intermediate Shaft 4 RB-8
8402   BX-882340 71 L Gear on Intermediate Shaft 7 3/4 RB-4
8080   TB-912306 17 Spur Back Finishing Slide Gear 

A.T.C.
PART NO.
CODE REPLACES PART NO.* NO. OF TEETH DESCRIPTION
8077 ` TB-912307 13 Spur  Segment Gear 1 1/4 RA-6
8081   TB-912309 27 Spur Back Finishing Slide Gear 
8717    TF-913023 78 Spur Split Drive Gear 1 1/4 RB-8
7592   BA-921000   Indexing Gear 
6510    TF-922720 27 L Gear on Threading Drive Shaft-Threading Attachment 8 RPA-6
     9346          29 L      Same as 6510 Gear Except Number of Teeth
     8130          31 L      Same as 6510 Gear Except Number of Teeth
7736 5-L   A-940690 33 Spur Gear 1 5/8 RB-8, 3 1/2 RB-6
9145     A-941621 59 Spur High Speed Drive Gear
9207   TG-953676 28 R Nylon Gear
9617   TH-961018 84 L Split Drive Gear (Pickoff)
7861     A-961620 69 Spur Threading Drive Gear 2 5/8 RB-8
9179     A-973060 34 R Drive Shaft Gear 2 5/8 RB-8
9156     A-973080 34 Shaft Gear 
6689    TF-975214 52 L Threading Gear-Single on Spdl Drive Shaft 7/8 & 1 RA-4; 9/16, 5/8 & 3/4 RA-6
6690    TB-975553 50 L Threading Gear-Single on Spdl Drive Shaft 7/8 & 1 RA-4; 9/16, 5/8 & 3/4 RA-6
8705    TF-976499 35 L High Speed Drive Gear 1 1/4 RA-6 
3394     122 L Idler Bull Gear Assembly 10 RPA-6
     7689          122 L      Gear Component only
     7700            Gear Bushing
3400     35 Spur Index Idler Gear Assembly 5 1/8 RB-4
     7777          35 Spur      Gear Component Only
     7778            Gear Bushing 
3611     47 Spur Gear & Hub Assembly 1 5/8 RA-6
     7670 5-L        47 Spur      Gear Only 1 5/8 RA-6
     7671 6-L          Gear Hub Only 1 5/8 RA-6
7589     28 L Special Pulley Shaft Gear 3 1/2 & 4 RB-6
7590     50 R Special Change Gear 3 1/2 & 4 RB-6
7687     54 Spur Gear 10  RPA-6
7688     108 Spur Index Gear 10 RPA-6
7783     84 Spur Index Gear 5 1/8 RB-4
7804     62 Spur Split Tapping Gear
7805     50 Spur Split Tapping Gear
7806     80 Spur Split Tapping Gear
7807     58 Spur Split Tapping Gear
7808     75 Spur Split Tapping Gear
7863     44 R Drill Speed Gear 2 5/8 RB-8
7864     34 R Drill Speed Gear 2 5/8 RB-8
8186     42 R Roll Clutch Gear 1 RAN-6
8191     30 L Pulley Shaft Gear 1 RAN-6
8192     30 R Intermediate Gear 1 RAN-6
8369 100-E   27 R Gear
9041     32 R Drive Gear for Milling Attachment 1 5/8 RB-8
     9570            Spline Driver for Drive Unit for Milling Attachment 1 5/8 RB-8 
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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