3020-00-089-8121 GEAR,SPUR Index 3040-00-089-8123 DISC,BRAKE

National Stock Number:
3020-00-089-8122

Federal Supply Class:
3020

National Item Identification Number:
000898122

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:
438317-237695RAYTHEON COMPANY
SM-C-619842-280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BODY STYLEPLAIN, SOLID
END NOMINAL DIAMETER0.1871 INCHES FIRST END
END NOMINAL DIAMETER0.1873 INCHES SECOND END
END NOMINAL LENGTH0.1250 INCHES SECOND END
END NOMINAL LENGTH0.4165 INCHES FIRST END
FACE NOMINAL WIDTH0.146 INCHES
FIRST STEP NOMINAL DIAMETER0.2340 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH0.0200 INCHES BOTH ENDS
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 416,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.1470 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.4365 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.734 INCHES
PITCH DIAMETER0.7031 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY45
TOOTH FORMSTANDARD


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