3020-00-830-0328 GEAR,HELICAL Index 3020-00-830-0330 GEAR,HELICAL

National Stock Number:
3020-00-830-0329

Federal Supply Class:
3020

National Item Identification Number:
008300329

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:
H2431PC2816712SIEMENS ENERGY, INC.
HD-481JX116712SIEMENS ENERGY, INC.
HD481JX115330IMO INDUSTRIES INC DELROYD WORM GEAR DIV
HD481JX116712SIEMENS ENERGY, INC.
HD481JX117454TIMKEN GEARS & SERVICES INC.
HD481JX1-160038THE TIMKEN CORPORATION


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.000 INCHES BOTH ENDS
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
CRITICALITY CODE JUSTIFICATIONFEAT
FACE NOMINAL WIDTH1.747 INCHES
HELIX ANGLE9.9952 DEGREES
KEYWAY NOMINAL WIDTH0.188 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 932 OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.5937 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER2.421 INCHES
PITCH DIAMETER2.1220 INCHES NOMINAL
PRESSURE ANGLE25.0000 DEGREES
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL. FEATURES - COUNTERBORE BOTH ENDS DIA. 1.375 IN. NOMINAL, DEPTH 0.063 IN. NOMINAL.
STYLE DESIGNATORHUBLESS
TEETH TYPESINGLE HELIX
TEETH QUANTITY11
TOOTH DIRECTIONLEFT
TOOTH FORMSPECIAL


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