| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 3020-00-740-9934
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 007409934
 
 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.
 |  
		                        | 
 Manufacturer Information:
 
 | 7409934 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |  | KC2728 | 56442 | DIAMOND REO TRUCK CO |  | SA1519 | 61038 | VICKERS INC |  | M305805 | 61465 | GARWOOD/FELLER INC GARWOOD WINCH DIV | 
 |  
					            | 
 Techincal Specification:
 
 | BODY STYLE | WEBBED, SOLID |  | BORE NOMINAL DIAMETER | 2.998 INCHES BOTH ENDS |  | BORE STYLE | W/ 2 KEYWAYS BOTH ENDS |  | FACE NOMINAL WIDTH | 3.062 INCHES |  | FACE TYPE | CONCAVE |  | HARDNESS RATING | 83.0 BRINELL STANDARD NOMINAL OVERALL |  | HELIX ANGLE | 5.0664 DEGREES |  | HUB NOMINAL DIAMETER | 4.562 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.748 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY OVERALL |  | PITCH DIAMETER | 11.4590 INCHES NOMINAL |  | MATING THREAD LEAD QUANTITY | 1 |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.8355 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.437 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 12.5000 INCHES |  | NOMINAL OVERALL LENGTH | 3.875 INCHES |  | PRESSURE ANGLE | 27.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 30 |  | THROAT NOMINAL RADIUS | 1.541 INCHES |  | TOOTH DIRECTION | RIGHT | 
 |  |