3020-00-385-7786 GEAR,BEVEL Index 1055-00-385-7788 SHAFT,LAUNCHING BEA

National Stock Number:
3020-00-385-7787

Federal Supply Class:
3020

National Item Identification Number:
003857787

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:
718833819204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
BACKLASH DESIGNATIONGRADE B
BODY STYLEWEBBED, OFFSET, SOLID
BORE NOMINAL DIAMETER1.690 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH1.500 INCHES
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER2.250 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.969 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.270 INCHES FIRST END
NOMINAL OVERALL LENGTH2.489 INCHES
NOMINAL OUTSIDE DIAMETER8.1485 INCHES
PITCH ANGLE63.4332 DEGREES
PITCH DIAMETER8.0000 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
SPECIAL FEATURESNO.4 10.112/-48NF-3B THD,0.3125 IN. LG LONGITUDINALLY IN FIRST HUB END,6 NO.8 10.1641-32NC-2B THD EQUALLY SPACED ON 1.8125 IN.BOLT CIRCLE,0.375 IN. DEEP
SPLINE PITCH DIAMETER1.6250 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY26 BOTH ENDS
STYLE DESIGNATORSIDE FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY48
TEETH TYPESTRAIGHT


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