3020-01-277-1494 GEAR,SPUR Index 3020-01-277-1496 GEAR,SPUR

National Stock Number:
3020-01-277-1495

Federal Supply Class:
3020

National Item Identification Number:
012771495

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:
290760810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER1.227 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH0.440 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM SPLINE
HUB NOMINAL DIAMETER1.650 INCHES FIRST END
HUB NOMINAL DIAMETER1.810 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8690 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.155 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.729 INCHES
PITCH DIAMETER4.5833 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER1.1667 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY28 BOTH ENDS
STYLE DESIGNATORONE PROTRUDING HUB, ONE FLUSH HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
TEETH QUANTITY55


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