4820-01-407-4887 VALVE,SAFETY RELIEF Index 3040-01-407-4889 SHAFT,SHOULDERED

National Stock Number:
3020-01-407-4888

Federal Supply Class:
3020

National Item Identification Number:
014074888

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:
521032353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER6.688 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH6.000 INCHES
HELIX ANGLE18.6717 DEGREES
KEYWAY NOMINAL WIDTH1.751 INCHES BOTH ENDS
PITCH DIAMETER37.6481 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM4.156 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER38.310 INCHES
PRESSURE ANGLE25.0000 DEGREES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY107
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT


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