3020-01-031-8306 GEAR,HELICAL Index 5995-01-031-8308 CABLE ASSEMBLY,POWER,ELECTRICAL

National Stock Number:
3020-01-031-8307

Federal Supply Class:
3020

National Item Identification Number:
010318307

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:
250733310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY RECESS NOMINAL DEPTH0.500 INCHES FIRST END
BODY STYLEWEBBED, OFFSET, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER6.750 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER5.6825 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.750 INCHES
HELIX ANGLE25.0000 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.266 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY8 COUNTERSUNK AXIALLY THROUGH BODY, FIRST END
NOMINAL OUTSIDE DIAMETER8.2000 INCHES
PITCH DIAMETER8.0914 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 8
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORHUBLESS, RECESSED BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
TEETH TYPESINGLE HELIX
TEETH QUANTITY132
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT


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