3020-01-325-4777 GEAR,SPUR Index 3020-01-325-4779 GEAR,WORM

National Stock Number:
3020-01-325-4778

Federal Supply Class:
3020

National Item Identification Number:
013254778

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:
114C250305606GENERAL DYNAMICS-OTS, INC.
114C2503-205606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
BODY STYLEWEBBED, OFFSET, SOLID
BORE STYLED BOTH ENDS
FACE NOMINAL WIDTH0.210 INCHES
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER0.760 INCHES SECOND END
HUB NOMINAL DIAMETER0.900 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5659 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5862 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-12 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.050 INCHES SECOND END
NOMINAL DISTANCE FROM FLAT TO RADIAL CENTER0.224 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.405 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.118 INCHES
NOMINAL RADIUS1.496 INCHES BOTH ENDS
PITCH DIAMETER3.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 9
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORONE PROTRUDING HUB, ONE RECESSED HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY48


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