3020-00-273-8973 GEAR,HELICAL Index 3020-00-273-8979 GEAR,WORM WHEEL

National Stock Number:
3020-00-273-8977

Federal Supply Class:
3020

National Item Identification Number:
002738977

Description:
GEAR,WORM

Detail:
A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.


Techincal Specification:
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER1.250 INCHES BOTH ENDS
FACE NOMINAL WIDTH6.998 INCHES
FACE TYPESTRAIGHT
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.781 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER0.4560 INCHES
KEYWAY NOMINAL WIDTH0.375 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
PITCH DIAMETER3.6060 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORHUBLESS
THREAD FORM DIRECTIONRIGHT-HAND
THREAD FORM QUANTITY2


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