3020-01-216-2647 GEAR,HELICAL Index 3020-01-216-2649 GEAR,HELICAL

National Stock Number:
3020-01-216-2648

Federal Supply Class:
3020

National Item Identification Number:
012162648

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:
1173293619200US ARMY ARDEC RDECOM


Techincal Specification:
ATTACHMENT METHODPRESS FIT
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN SECOND END
CLAMPING SURFACE NOMINAL LENGTH0.217 INCHES SECOND END
FACE NOMINAL WIDTH0.185 INCHES
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE45.0000 DEGREES
HUB STYLE DESIGNATORSPLIT SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.252 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.456 INCHES
PITCH DIAMETER1.4142 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY48
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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