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		                        | National Stock Number:
 3020-00-739-7972
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 007397972
 
 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:
 
 | A-8404A | 72914 | GRIMES AEROSPACE COMPANY |  | A-8404A-5 | 72914 | GRIMES AEROSPACE COMPANY | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE TYPE | STRAIGHT |  | HELIX ANGLE | 3.0833 DEGREES |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | MATERIAL | PLASTIC BODY |  | PITCH DIAMETER | 0.6250 INCHES NOMINAL |  | MATING THREAD LEAD QUANTITY | 1 |  | NOMINAL OUTSIDE DIAMETER | 0.667 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 30 |  | TOOTH DIRECTION | RIGHT | 
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