3020-00-757-2817 GEAR,SPUR Index 3020-00-757-2819 GEAR,SPUR

National Stock Number:
3020-00-757-2818

Federal Supply Class:
3020

National Item Identification Number:
007572818

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-C-50417280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BODY STYLEPLAIN, SOLID
END NOMINAL DIAMETER0.187 INCHES SECOND END
END NOMINAL LENGTH0.125 INCHES FIRST END
END NOMINAL LENGTH0.125 INCHES SECOND END
FACE NOMINAL WIDTH0.096 INCHES
FIRST STEP NOMINAL DIAMETER0.250 INCHES SECOND END
FIRST STEP NOMINAL LENGTH0.015 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.015 INCHES SECOND END
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM HUB
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC 1ST MATERIAL RESPONSE TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND T FED SPEC 2ND MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 6061 TEETH
MATERIALSTEEL COMP 416 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.140 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER1.187 INCHES
NOMINAL OVERALL LENGTH0.376 INCHES
PITCH DIAMETER1.1555 INCHES MINIMUM AND 1.1562 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 12
PRESSURE ANGLE14.5000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE HUB
SURFACE TREATMENTOXIDE FILM TEETH
TEETH QUANTITY74
TOOTH FORMSTANDARD


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