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		                        | National Stock Number:
 3020-00-340-0813
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003400813
 
 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:
 
 | 307847 | 57712 | TELEMECHANICS INC | 
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 Techincal Specification:
 
 | ATTACHMENT METHOD | MOUNTING HOLE |  | BODY RECESS NOMINAL DEPTH | 0.025 INCHES FIRST END |  | BODY STYLE | SPOKED |  | BOLT HOLE CIRCLE NOMINAL DIAMETER | 0.750 INCHES AXIALLY THROUGH BODY FIRST END |  | BORE NOMINAL DIAMETER | 0.5000 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE NOMINAL WIDTH | 0.312 INCHES |  | HELIX ANGLE | 22.5000 DEGREES |  | MATERIAL | PLASTIC POLYAMIDE NYLON TEETH |  | MATERIAL | STEEL BODY |  | PITCH DIAMETER | 3.1250 INCHES NOMINAL |  | MOUNTING HOLE NOMINAL DIAMETER | 0.164 INCHES AXIALLY THROUGH BODY FIRST END |  | MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH BODY FIRST END |  | NOMINAL OUTSIDE DIAMETER | 3.2068 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | HUBLESS, RECESSED BODY |  | SURFACE TREATMENT | CHROMATE BODY |  | TEETH QUANTITY | 70 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | SPECIAL | 
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