1560-00-012-6050 GEAR,SPUR TACHOMETER Index 5305-00-012-6056 SCREW,MACHINE

National Stock Number:
3020-00-012-6052

Federal Supply Class:
3020

National Item Identification Number:
000126052

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:
S6137-23055-178286SIKORSKY AIRCRAFT CORPORATION
S6137-23055-193828IGW SYSTEMS INC
S6137-23055-1A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER5.711 INCHES BOTH ENDS
BORE STYLEW/COUNTERBORE BOTH ENDS
COUNTERBORE NOMINAL DEPTH1.990 INCHES FIRST END
CRITICALITY CODE JUSTIFICATIONFEAT
COUNTERBORE NOMINAL DIAMETER6.180 INCHES FIRST END
FACE NOMINAL WIDTH3.435 INCHES
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E9310 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END5.222 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER6.996 INCHES
NOMINAL OVERALL LENGTH8.675 INCHES
SPECIAL FEATURES2ND COUNTERBORE FIRST END 1.990 IN. FROM FIRST END TO 5.10 IN.,6.135 IN. DIA,FLIGHT SAFETY CRITICAL
PITCH DIAMETER6.7500 INCHES NOMINAL
PRESSURE ANGLE22.5000 DEGREES
SPLINE QUANTITY109 FIRST END
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY54
TOOTH FORMSTANDARD


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