3020-00-073-9941 GEAR,BEVEL Index 4820-00-073-9943 VALVE,BALL

National Stock Number:
3020-00-073-9942

Federal Supply Class:
3020

National Item Identification Number:
000739942

Description:
GEAR,BEVEL

Detail:
A gear in the form of a frustum of a cone, with straight, skewed, or curved teeth, cut on the external face. See also GEAR, ANTIBACKLASH, BEVEL.


Manufacturer Information:
821265024617GENERAL MOTORS CORP
821265039VG9PROGRESS RAIL LOCOMOTIVE INC.
821265072915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER0.751 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.625 INCHES
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL
KEYWAY NOMINAL WIDTH0.127 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1141 OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM0.441 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER2.269 INCHES
PITCH ANGLE32.4667 DEGREES
PITCH DIAMETER2.1000 INCHES NOMINAL
PRESSURE ANGLE17.5000 DEGREES
STYLE DESIGNATORPERIPHERAL FACE, HUBLESS
TEETH QUANTITY21
TEETH TYPESTRAIGHT


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