3020-01-321-8406 GEAR,BEVEL Index 3020-01-321-8408 GEAR,HELICAL

National Stock Number:
3020-01-321-8407

Federal Supply Class:
3020

National Item Identification Number:
013218407

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:
554421905606GENERAL DYNAMICS-OTS, INC.
554421953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER0.780 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.500 INCHES
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER1.000 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN SECOND 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 PROTRUDING HUB END0.120 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER1.472 INCHES
NOMINAL OVERALL LENGTH0.620 INCHES
PITCH ANGLE19.7150 DEGREES
PITCH DIAMETER1.3333 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER0.7188 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY23 BOTH ENDS
STYLE DESIGNATORPERIPHERAL FACE, BACK HUB PROTRUDING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY20
TEETH TYPESTRAIGHT


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