3020-00-869-7307 GEAR,SPUR Index 3020-00-869-7309 GEAR,SPUR

National Stock Number:
3020-00-869-7308

Federal Supply Class:
3020

National Item Identification Number:
008697308

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:
570A460-76125500LOCKHEED MARTIN CORPORATION
570A460-761D24025500LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODCLAMP
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.234 INCHES FIRST END
FACE NOMINAL WIDTH0.125 INCHES
HUB NOMINAL DIAMETER0.500 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PITCH DIAMETER2.4990 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.264 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.519 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTANODIZE OVERALL
TEETH QUANTITY240
TOOTH FORMSTANDARD


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