3020-00-871-7453 GEAR,HELICAL Index 5998-00-871-7456 CIRCUIT CARD ASSEMBLY

National Stock Number:
3020-00-871-7454

Federal Supply Class:
3020

National Item Identification Number:
008717454

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:
570A460-76425500LOCKHEED MARTIN CORPORATION
570A460-764B16025500LOCKHEED MARTIN CORPORATION


Techincal Specification:
ATTACHMENT METHODCLAMP
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
END NOMINAL DIAMETER0.375 INCHES FIRST END
END NOMINAL LENGTH0.234 INCHES FIRST END
FACE NOMINAL WIDTH0.125 INCHES
FIRST STEP NOMINAL DIAMETER0.500 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.030 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL STD SINGLE MATERIAL RESPONSE TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 2024 HUB
MATERIALSTEEL COMP 303S TEETH
PITCH DIAMETER1.6657 INCHES MINIMUM AND 1.6667 INCHES MAXIMUM
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.264 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.687 INCHES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTPASSIVATE TEETH
SURFACE TREATMENTANODIZE HUB
TEETH QUANTITY160
TOOTH FORMSTANDARD


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