4820-00-827-0989 STEM,VALVE Index 3020-00-827-0991 GEAR,SPUR

National Stock Number:
3020-00-827-0990

Federal Supply Class:
3020

National Item Identification Number:
008270990

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:
126669410001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLEPLAIN, WITH LIGHTENING HOLES
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HUB STYLE DESIGNATORPINNED FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
HUB NOMINAL DIAMETER0.343 INCHES SECOND END
HUB NOMINAL DIAMETER0.500 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 6061 BODY
MATERIALSTEEL COMP 304 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.156 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.041 INCHES
PITCH DIAMETER4.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 14
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY192
TOOTH FORMSTANDARD


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