3020-00-139-4136 GEAR,ANTIBACKLASH,SPUR Index 3020-00-139-4138 GEAR CLUSTER

National Stock Number:
3020-00-139-4137

Federal Supply Class:
3020

National Item Identification Number:
001394137

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
537-6000-11507421L3HARRIS INTERSTATE ELECTRONICS CORPORATION


Techincal Specification:
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.156 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HUB NOMINAL DIAMETER0.310 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.125 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.449 INCHES
PITCH DIAMETER0.4326 INCHES MINIMUM AND 0.4333 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 12
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY52
TOOTH FORMSTANDARD


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