3020-00-618-3511 GEAR,HELICAL Index 1660-00-618-3516 TURBINE,AIRCRAFT COOLING

National Stock Number:
3020-00-618-3512

Federal Supply Class:
3020

National Item Identification Number:
006183512

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:
SG3711PC9616712SIEMENS ENERGY, INC.
SG3711PC9659180CIRCOR PUMPS NORTH AMERICA LLC
W429BS-5X115330IMO INDUSTRIES INC DELROYD WORM GEAR DIV
W429BS5X116712SIEMENS ENERGY, INC.


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.500 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH0.500 INCHES
HELIX ANGLE37.5000 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.250 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH0.250 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CL HG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.625 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.688 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.875 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER3.630 INCHES
SPECIAL FEATURES1ST END HUB END CHAMFERED DOWN TO 1.922 IN.OD
PITCH DIAMETER3.5250 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY53
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT


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