3020-01-099-6177 GEAR,SPUR Index 3020-01-099-6179 GEAR,SPUR

National Stock Number:
3020-01-099-6178

Federal Supply Class:
3020

National Item Identification Number:
010996178

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-44724680063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TEETH QUANTITY39
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 8
BACKLASH DESIGNATIONGRADE C
STYLE DESIGNATORPROTRUDING HUB, RECESSED BODY
PITCH DIAMETER0.8075 INCHES MINIMUM AND
0.8175 INCHES MAXIMUM
NOMINAL OVERALL LENGTH0.312 INCHES
NOMINAL OUTSIDE DIAMETER0.853 INCHES
FACE NOMINAL WIDTH0.090 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.222 INCHES FIRST END
BODY RECESS NOMINAL DEPTH0.050 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.265 INCHES BOTH ENDS
HUB NOMINAL DIAMETER0.500 INCHES FIRST END
BODY STYLEWEBBED, OFFSET, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN AND
1 THREADED TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.043 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATORUNC TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE0.112 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE THREAD QUANTITY PER INCH40 TRANSVERSELY THROUGH HUB, FIRST END


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