| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 3020-00-254-2089
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002542089
 
 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:
 |  
		                        |  |  
					            | 
 Techincal Specification:
 
 | BACKLASH DESIGNATION | GRADE A |  | BODY STYLE | WEBBED, SOLID |  | BORE NOMINAL DIAMETER | 0.751 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY FIRST END |  | BORE STYLE | W/COUNTERBORE SECOND END |  | COUNTERBORE NOMINAL DEPTH | 0.248 INCHES SECOND END |  | COUNTERBORE NOMINAL DIAMETER | 1.625 INCHES SECOND END |  | FACE NOMINAL WIDTH | 0.750 INCHES |  | HELIX ANGLE | 33.0000 DEGREES |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | HUB NOMINAL DIAMETER | 1.250 INCHES FIRST END |  | KEYWAY NOMINAL WIDTH | 0.127 INCHES FIRST END |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.247 INCHES FIRST END |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.440 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 3.417 INCHES |  | PITCH DIAMETER | 3.2193 INCHES NOMINAL |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 27 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
 |  |