3020-01-178-0741 GEAR,SPUR Index 3020-01-178-0743 GEAR,SPUR

National Stock Number:
3020-01-178-0742

Federal Supply Class:
3020

National Item Identification Number:
011780742

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:
SM-B-69652380063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.095 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.100 INCHES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER0.148 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.062 INCHES FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.056 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER0.311 INCHES
PITCH DIAMETER0.2500 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURES0.62 INCH DEEP,.035 INCH WIDE CUTOUT ON TEETH FOUR PLACES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY8
TOOTH FORMSTANDARD


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