1287-00-894-0940 CARD,EXTENDER Index 3020-00-894-0944 GEAR,HELICAL

National Stock Number:
3020-00-894-0943

Federal Supply Class:
3020

National Item Identification Number:
008940943

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:
167665810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER1.500 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH2.000 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM BODY
HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM TEETH
HELIX ANGLE15.0000 DEGREES
HUB NOMINAL DIAMETER2.500 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
PITCH DIAMETER7.7646 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL OUTSIDE DIAMETER8.013 INCHES
SPLINE PITCH DIAMETER1.3750 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY11 BOTH ENDS
STYLE DESIGNATORFLUSH HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232,TYPE 2-CANCELED MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY60
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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