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		                        | National Stock Number:
 3020-00-327-3910
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003273910
 
 Description:
 GEAR,BEVEL
 
 Detail:
 A gear in the form of a frustum of a cone, with straight, skewed, or curved teeth, cut on the external face. See also GEAR, ANTIBACKLASH, BEVEL.
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 Manufacturer Information:
 
 | S1635-20029 | 78286 | SIKORSKY AIRCRAFT CORPORATION | 
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 Techincal Specification:
 
 | ATTACHMENT METHOD | MOUNTING HOLE |  | BODY STYLE | PLAIN, SOLID |  | BOLT HOLE CIRCLE NOMINAL DIAMETER | 7.8750 INCHES AXIALLY THROUGH BODY FIRST END |  | BORE STYLE | W/COUNTERBORE COUNTER BORE SECOND END |  | COUNTERBORE NOMINAL DIAMETER | 10.3140 INCHES COUNTER BORE SECOND END |  | COUNTERBORE NOMINAL DEPTH | 0.1560 INCHES COUNTER BORE SECOND END |  | FACE NOMINAL WIDTH | 1.000 INCHES |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 10.9702 INCHES NOMINAL |  | PITCH ANGLE | 80.9120 DEGREES |  | MATERIAL | STEEL COMP E9310 OVERALL |  | MOUNTING HOLE NOMINAL DIAMETER | 0.377 INCHES AXIALLY THROUGH BODY FIRST END |  | MOUNTING HOLE TYPE AND QUANTITY | 8 PLAIN AXIALLY THROUGH BODY FIRST END |  | NOMINAL OUTSIDE DIAMETER | 11.0000 INCHES |  | NOMINAL OVERALL LENGTH | 0.720 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PERIPHERAL FACE, HUBLESS |  | TEETH QUANTITY | 67 |  | TEETH TYPE | SPIRAL |  | TOOTH DIRECTION | LEFT | 
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