3020-00-684-1252 GEAR,SPUR Index 3020-00-684-1256 GEAR,SPUR

National Stock Number:
3020-00-684-1255

Federal Supply Class:
3020

National Item Identification Number:
006841255

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:
198886010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER0.812 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.240 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.101 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY3 COUNTERSUNK AXIALLY THROUGH BODY, FIRST END
NOMINAL OUTSIDE DIAMETER3.167 INCHES
PITCH DIAMETER3.1250 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESINCLUDES 0.031 IN.DIA LOCATING HOLE,MTG HOLES 120 DEGS APART
STYLE DESIGNATORHUBLESS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
TEETH QUANTITY150
TOOTH FORMSTANDARD


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