3020-01-135-1538 GEAR,SPUR Index 3020-01-135-1540 GEAR,SPUR

National Stock Number:
3020-01-135-1539

Federal Supply Class:
3020

National Item Identification Number:
011351539

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:
65391-11642-10121540PRECISION GEAR INDUSTRIES LLC
65391-11642-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
BODY STYLEPLAIN, SOLIDPLAIN, SOLID
CRITICALITY CODE JUSTIFICATIONFEATFEAT
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL45.0 ROCKWELL C MAXIMUM OVERALL
PITCH DIAMETER5.8571 INCHES NOMINAL5.8571 INCHES NOMINAL
MATERIALSTEEL OVERALLSTEEL OVERALL
PRECISION CLASSIFICATIONQUALITY NUMBER 12QUALITY NUMBER 12
PRESSURE ANGLE22.5000 DEGREES22.5000 DEGREES
SPECIAL FEATURESFLIGHT SAFETY CRITICALFLIGHT SAFETY CRITICAL
STYLE DESIGNATORONE FLUSH HUB, ONE RECESSED HUBONE FLUSH HUB, ONE RECESSED HUB
TEETH QUANTITY4141
TOOTH FORMSTANDARDSTANDARD


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