3020-00-816-4677 GEAR,SPUR Index 3020-00-816-4679 GEAR,SPUR

National Stock Number:
3020-00-816-4678

Federal Supply Class:
3020

National Item Identification Number:
008164678

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:
7211929P103538LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TEETH QUANTITY72
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 12
BACKLASH DESIGNATIONGRADE D
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER1.1243 INCHES MINIMUM AND
1.1250 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER1.155 INCHES
FACE NOMINAL WIDTH0.120 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.220 INCHES FIRST END
0.045 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
PLAIN SECOND END
HUB NOMINAL DIAMETER0.300 INCHES FIRST END
1.005 INCHES SECOND END
CLAMPING SURFACE NOMINAL LENGTH0.220 INCHES FIRST END
BODY STYLEWEBBED, OFFSET, SOLID
ATTACHMENT METHODCLAMP


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