5340-00-448-3971 SPRING,HELICAL,EXTENSION Index 3020-00-448-3974 GEAR,WORM

National Stock Number:
3020-00-448-3973

Federal Supply Class:
3020

National Item Identification Number:
004483973

Description:
GEAR,WORM WHEEL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.


Manufacturer Information:
7850957712TELEMECHANICS INC


Techincal Specification:
MATERIALPLASTIC PHENOL-FORMALDEHYDE OVERALL
TEETH QUANTITY30
TOOTH DIRECTIONRIGHT
FACE TYPECONCAVE
THROAT NOMINAL RADIUS0.625 INCHES
MATING THREAD LEAD QUANTITY4
PRESSURE ANGLE14.5000 DEGREES
HELIX ANGLE21.8000 DEGREES
STYLE DESIGNATORHUBLESS, RECESSED BODY
PITCH DIAMETER1.6820 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.875 INCHES
FACE NOMINAL WIDTH0.500 INCHES
BODY RECESS NOMINAL DEPTH0.250 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.500 INCHES BOTH ENDS
BODY STYLEWEBBED, OFFSET, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY3 COUNTERBORED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.348 INCHES AXIALLY THROUGH BODY, FIRST END
BOLT HOLE CIRCLE NOMINAL DIAMETER0.875 INCHES AXIALLY THROUGH BODY, FIRST END


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