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		                        | National Stock Number:
 3020-00-752-1031
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 007521031
 
 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:
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 Manufacturer Information:
 
 | 205725R1 | 92679 | NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ |  | 2358T2 | 22852 | SPALLA INC |  | 7521031 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |  | 2358T2 | 56442 | DIAMOND REO TRUCK CO |  | 914105 | 58275 | SASCO INC CANADIAN DIV |  | 30-1-23 | 95019 | DANA CORP SPICER TRANSMISSION DIV |  | T403-9 | 31204 | PERFECTION CLUTCH |  | DU1-23 | 81141 | DUPAGE GEAR AND MACHINE CO |  | TG1-23 | 98435 | MARMON GROUP INC THE ACTIVE GEAR CO DIV | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, OFFSET, SOLID |  | BORE NOMINAL DIAMETER | 2.000 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 0.969 INCHES |  | HARDNESS RATING | 59.0 ROCKWELL C MINIMUM  AND 62.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 28.2777 DEGREES |  | HUB NOMINAL DIAMETER | 2.875 INCHES FIRST END |  | HUB NOMINAL DIAMETER | 3.000 INCHES SECOND END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.312 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 6.5625 INCHES NOMINAL |  | MATERIAL | STEEL COMP 8620H OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.156 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.062 INCHES FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.562 INCHES SECOND END |  | NOMINAL OUTSIDE DIAMETER | 6.832 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE RECESSED HUB |  | TEETH QUANTITY | 48 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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