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		                        | National Stock Number:
 3020-00-335-7142
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003357142
 
 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:
 
 | AS80001 | 11976 | CHICAGO PNEUMATIC TOOL CO |  | RA8513 | 51663 | HYDRO-AIRE AEROSPACE CORP. |  | US80001 | 51663 | HYDRO-AIRE AEROSPACE CORP. | 
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 Techincal Specification:
 
 | BACKLASH DESIGNATION | GRADE A |  | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE NOMINAL WIDTH | 0.292 INCHES |  | HARDNESS RATING | 28.0 ROCKWELL C NOMINAL OVERALL |  | HELIX ANGLE | 22.3332 DEGREES |  | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6709 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 0.4054 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.102 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 0.4440 INCHES |  | PRECISION CLASSIFICATION | ULTRA PRECISION CLASS 1 |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPECIAL FEATURES | HUB SLOTTED A END 0.205 IN. W,0.102 IN. DEEP |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 15 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD | 
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