3020-00-815-7555 GEAR,SPUR Index 3020-00-815-7557 GEAR,SPUR

National Stock Number:
3020-00-815-7556

Federal Supply Class:
3020

National Item Identification Number:
008157556

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:
7210425P103538LOCKHEED 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 QUANTITY20
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR
QUALITY NUMBER 11
BACKLASH DESIGNATIONGRADE C
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER0.3115 INCHES MINIMUM AND
0.3125 INCHES MAXIMUM
NOMINAL OUTSIDE DIAMETER0.342 INCHES
FACE NOMINAL WIDTH0.120 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.380 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.188 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.247 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH0.380 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODCLAMP


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