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		                        | National Stock Number:
 3020-00-971-4529
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 009714529
 
 Description:
 GEAR,WORM WHEEL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.
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 Manufacturer Information:
 
 | G2550 | 18990 | EAGLE CRUSHER CO INC | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, SOLID |  | FACE NOMINAL WIDTH | 1.500 INCHES |  | FACE TYPE | CONCAVE |  | HELIX ANGLE | 5.7331 DEGREES |  | HUB NOMINAL DIAMETER | 3.000 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | MATERIAL | IRON CAST OVERALL |  | PITCH DIAMETER | 5.0130 INCHES NOMINAL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.500 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 5.722 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 21 |  | SPECIAL FEATURES | THO BORE,1.250IN.MINOR DIA,1.520IN.MAJOR DIA,1.395IN.PITCH DIA,14-1/2 DEG PRESSURE ANGLE,4 THDS PER IN. |  | THROAT NOMINAL RADIUS | 2.748 INCHES |  | TOOTH DIRECTION | LEFT | 
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