3020-00-517-2656 GEAR,SPUR Index 3120-00-517-2658 BEARING,SLEEVE

National Stock Number:
3020-00-517-2657

Federal Supply Class:
3020

National Item Identification Number:
005172657

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.


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER8.562 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.219 INCHES
MATERIAL DOCUMENT AND CLASSIFICATIONBRONZE, SAE 65 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 907 OVERALL
NOMINAL OUTSIDE DIAMETER11.750 INCHES
PITCH DIAMETER11.5000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 5 OR QUALITY NUMBER 6
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESONE OIL GROOVE ON EACH SIDE 1/32 IN. DEEP BY 3/32 IN. WIDE, 10-3/32 IN. DIA CAST ECCENTRIC TO EACH OTHER W/ CENTER LINE OF OIL GROOVES 37/64 IN. OFF CENTER FROM CENTER LINE OF GEAR; BORE PROVISION INCLUDED; 0.219 IN. NOM BORE LG; 0.5236 CIRCULAR PITCH IN INCHES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY69
TOOTH FORMSTANDARD


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