3020-00-294-7527 GEAR,HELICAL Index 3020-00-294-7531 GEAR,HELICAL

National Stock Number:
3020-00-294-7530

Federal Supply Class:
3020

National Item Identification Number:
002947530

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:


Manufacturer Information:
11052AA06650BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES
SM-B-33840280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.2500 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
END NOMINAL DIAMETER0.3125 INCHES SECOND END
END NOMINAL LENGTH0.0156 INCHES SECOND END
FACE NOMINAL WIDTH0.250 INCHES
FIRST STEP NOMINAL DIAMETER0.3740 INCHES SECOND END
FIRST STEP NOMINAL LENGTH0.032 INCHES SECOND END
HELIX ANGLE20.0000 DEGREES
HUB NOMINAL DIAMETER0.500 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP SECOND END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE TEETH
MATERIALPLASTIC TEETH
MATERIALSTEEL HUB
MOUNTING HOLE NOMINAL THREAD SIZE0.164 INCHES TRANSVERSELY THROUGH HUB FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH32 TRANSVERSELY THROUGH HUB FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 THREADED TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.047 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.4062 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.8132 INCHES
PITCH DIAMETER0.7700 INCHES MINIMUM AND 0.7720 INCHES MAXIMUM
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY35
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT


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