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		                        | National Stock Number:
 3020-00-200-2143
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002002143
 
 Description:
 GEAR,HELICAL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
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 Manufacturer Information:
 
 | B849 | 09136 | BAY CITY SHOVELS, INC |  | H1607B849 | 09136 | BAY CITY SHOVELS, INC | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, SOLID |  | BORE NOMINAL DIAMETER | 2.951 INCHES BOTH ENDS |  | BORE STYLE | STRAIGHT SPLINE BOTH ENDS |  | END NOMINAL DIAMETER | 3.438 INCHES FIRST END |  | END NOMINAL LENGTH | 1.188 INCHES FIRST END |  | FACE NOMINAL WIDTH | 2.500 INCHES |  | FIRST STEP NOMINAL DIAMETER | 4.250 INCHES FIRST END |  | FIRST STEP NOMINAL LENGTH | 0.703 INCHES FIRST END |  | HELIX ANGLE | 11.2499 DEGREES |  | HUB NOMINAL DIAMETER | 4.250 INCHES SECOND END |  | HUB STYLE DESIGNATOR | PLAIN SECOND END |  | PITCH DIAMETER | 11.8950 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.047 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 12.561 INCHES |  | SPECIAL FEATURES | C9BORE 1ST END 2.945 IN. DIA BY 0.500 IN. DEEP |  | PRESSURE ANGLE | 14.5000 DEGREES |  | SPLINE QUANTITY | 10 BOTH ENDS |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |  | TEETH QUANTITY | 35 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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