3020-00-250-8067 GEAR,HELICAL Index 3020-00-250-8076 GEAR,HELICAL

National Stock Number:
3020-00-250-8068

Federal Supply Class:
3020

National Item Identification Number:
002508068

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:
SP1767410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
TP1767410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER1.391 INCHES BOTH ENDS
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
FACE NOMINAL WIDTH0.750 INCHES
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE22.6250 DEGREES
HUB NOMINAL DIAMETER2.031 INCHES FIRST END
HUB NOMINAL DIAMETER2.031 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH0.251 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
PITCH DIAMETER6.5000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.320 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.429 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.823 INCHES BOTH ENDS
NOMINAL OVERALL LENGTH1.499 INCHES
NOMINAL OUTSIDE DIAMETER6.7210 INCHES
SPECIAL FEATURESFIRST HUB END OD CHAMFERED 0.094 IN. BY 45 DEG
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY42
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTUB


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