1560-00-621-4716 COVER,ACCESS Index 3020-00-621-4722 GEAR,SPUR

National Stock Number:
3020-00-621-4721

Federal Supply Class:
3020

National Item Identification Number:
006214721

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:
25-4693-181205THE BOEING COMPANY


Techincal Specification:
BODY STYLEWEBBED, OFFSET, WITH LIGHTENING HOLES
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH0.390 INCHES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER1.975 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.110 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.180 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.530 INCHES
NOMINAL OVERALL LENGTH0.680 INCHES
PITCH DIAMETER4.5000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENTCADMIUM BODY
TEETH QUANTITY108
TOOTH FORMSTANDARD


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