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		                        | National Stock Number:
 3020-00-185-6863
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 001856863
 
 Description:
 GEAR,SPUR
 
 Detail:
 A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
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 Manufacturer Information:
 
 | 2584694 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, SOLID |  | BORE NOMINAL DIAMETER | 2.508 INCHES BOTH ENDS |  | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |  | FACE NOMINAL WIDTH | 1.380 INCHES |  | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM  AND 40.0 ROCKWELL C MAXIMUM HUB |  | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM  AND 62.0 ROCKWELL C MAXIMUM TEETH |  | HUB NOMINAL DIAMETER | 2.900 INCHES SECOND END |  | HUB NOMINAL DIAMETER | 3.230 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | PITCH DIAMETER | 7.8333 INCHES NOMINAL |  | MATERIAL | STEEL COMP 8620H  OR STEEL COMP 8822H  OR STEEL COMP 8617H OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.420 INCHES FIRST END |  | NOMINAL OVERALL LENGTH | 1.800 INCHES |  | NOMINAL OUTSIDE DIAMETER | 8.135 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPECIAL FEATURES | COUNTERBORE FIRST END,DIA. 2.600 IN. NOMINAL DEPTH 0.300 IN. NOMINAL |  | SPLINE PITCH DIAMETER | 2.4000 INCHES NOMINAL BOTH ENDS |  | SPLINE QUANTITY | 24 BOTH ENDS |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |  | TEETH QUANTITY | 47 |  | TOOTH FORM | STANDARD | 
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